{"id":4140384,"date":"2022-05-18T07:51:00","date_gmt":"2022-05-18T11:51:00","guid":{"rendered":"https:\/\/myendoconsult.com\/learn\/?p=4140384"},"modified":"2025-01-04T14:39:04","modified_gmt":"2025-01-04T20:39:04","slug":"thyroid-nodule-calculator","status":"publish","type":"post","link":"https:\/\/myendoconsult.com\/learn\/thyroid-nodule-calculator\/","title":{"rendered":"TIRADS Calculator for Thyroid Nodules"},"content":{"rendered":"<h2><\/h2>\n<p>This is a free online calculator to estimate the risk of thyroid cancer (and the need for <a href=\"https:\/\/myendoconsult.com\/learn\/topic\/fine-needle-biopsy\/\">fine needle biopsy of thyroid nodules<\/a>). It is based on the Thyroid Imaging Reporting and Data System (TI-RADS) endorsed by the American College of Radiology (ACR). The tool is intended for health care professionals only.<\/p>\n<p>Enter relevant data on thyroid nodule composition, echogenicity, shape, margin and echogenic foci to generate the ACR-TIRADS level with associated recommendations.<\/p>\n<div class='fluentform ff-default fluentform_wrapper_41 ffs_default_wrap'><form data-form_id=\"41\" id=\"fluentform_41\" class=\"frm-fluent-form fluent_form_41 ff-el-form-top ff_form_instance_41_1 ff-form-loading ff_calc_form ffs_default\" data-form_instance=\"ff_form_instance_41_1\" method=\"POST\" ><fieldset  style=\"border: none!important;margin: 0!important;padding: 0!important;background-color: transparent!important;box-shadow: none!important;outline: none!important; min-inline-size: 100%;\">\n                    <legend class=\"ff_screen_reader_title\" style=\"display: block; margin: 0!important;padding: 0!important;height: 0!important;text-indent: -999999px;width: 0!important;overflow:hidden;\">thyroid nodule<\/legend>        <div\n                style=\"display: none!important; position: absolute!important; transform: translateX(1000%)!important;\"\n                class=\"ff-el-group ff-hpsf-container\"\n        >\n            <div class=\"ff-el-input--label asterisk-right\">\n                <label for=\"ff_41_item_sf\" aria-label=\"Updates\">\n                    Updates                <\/label>\n            <\/div>\n            <div class=\"ff-el-input--content\">\n                <input type=\"text\"\n                       name=\"item_41__fluent_sf\"\n                       class=\"ff-el-form-control\"\n                       id=\"ff_41_item_sf\"\n                \/>\n            <\/div>\n        <\/div>\n        <input type='hidden' name='__fluent_form_embded_post_id' value='4140384' \/><input type=\"hidden\" id=\"_fluentform_41_fluentformnonce\" name=\"_fluentform_41_fluentformnonce\" value=\"3718e3f135\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/learn\/wp-json\/wp\/v2\/posts\/4140384\" \/><div class=\"ff-el-group ff-el-section-break  ff_left\" data-name=\"section_break-41_1\" ><h3 class='ff-el-section-title'>TIRADS Thyroid Nodule Calculator<\/h3><div class='ff-section_break_desk'><p>This visual guide will assist you in determining the TIRADS score of a thyroid nodule<\/p><\/div><hr \/><\/div><div class=\"ff-el-group ff-el-section-break  ff_left\" data-name=\"section_break-41_2\" ><h3 class='ff-el-section-title'>COMPOSITION<\/h3><div class='ff-section_break_desk'><p>The recommended terminology includes cystic described as completely fluid-filled, predominately cystic where the soft tissue component is less than 50% of the volume, predominately solid where the soft tissue component occupies greater the 50% of the volume, solid described as nearly completely solid<\/p><\/div><hr \/><\/div><div class='ff-el-group  ff_list_buttons'><div class=\"ff-el-input--label ff-el-is-required asterisk-right\"><label   aria-label=\"Composition\">Composition<\/label><\/div><div class='ff-el-input--content'><div class=\"ff_el_checkable_photo_holders\"><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/CYSTIC.png)' class='ff-el-image-input-src' for='Composition_8d0c54246510b7010b2861a77d67e74e' aria-label='Cystic or almost completely cystic'><\/label><label class='ff-el-form-check-label' for='Composition_8d0c54246510b7010b2861a77d67e74e'><input  type=\"radio\" name=\"Composition\" data-name=\"Composition\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Cystic or almost completely cystic \" data-calc_value=\"0\"  id='Composition_8d0c54246510b7010b2861a77d67e74e' aria-label='Cystic or almost completely cystic' aria-invalid='false' aria-required=true> <span>Cystic or almost completely cystic <\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/spongiform-nodule.png)' class='ff-el-image-input-src' for='Composition_7256e6d7ff347f9c1e24899cf4ed7747' aria-label='Spongiform'><\/label><label class='ff-el-form-check-label' for='Composition_7256e6d7ff347f9c1e24899cf4ed7747'><input  type=\"radio\" name=\"Composition\" data-name=\"Composition\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\" Spongiform\" data-calc_value=\"0\"  id='Composition_7256e6d7ff347f9c1e24899cf4ed7747' aria-label='Spongiform' aria-invalid='false' aria-required=true> <span> Spongiform<\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/predominantly-solid.png)' class='ff-el-image-input-src' for='Composition_c994acce6733f7113d66d460e303ffb0' aria-label='Mixed cystic and solid'><\/label><label class='ff-el-form-check-label' for='Composition_c994acce6733f7113d66d460e303ffb0'><input  type=\"radio\" name=\"Composition\" data-name=\"Composition\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Mixed cystic and solid \" data-calc_value=\"1\"  id='Composition_c994acce6733f7113d66d460e303ffb0' aria-label='Mixed cystic and solid' aria-invalid='false' aria-required=true> <span>Mixed cystic and solid <\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/solid-nodule.png)' class='ff-el-image-input-src' for='Composition_05548aca02b12ae0ef42a3e31de80a12' aria-label='Solid or almost completely solid'><\/label><label class='ff-el-form-check-label' for='Composition_05548aca02b12ae0ef42a3e31de80a12'><input  type=\"radio\" name=\"Composition\" data-name=\"Composition\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Solid or almost completely solid\" data-calc_value=\"2\"  id='Composition_05548aca02b12ae0ef42a3e31de80a12' aria-label='Solid or almost completely solid' aria-invalid='false' aria-required=true> <span>Solid or almost completely solid<\/span><\/label><\/div><\/div><\/div><\/div><div class=\"ff-el-group ff-el-section-break  ff_left\" data-name=\"section_break-41_3\" ><h3 class='ff-el-section-title'>ECHOGENICITY<\/h3><div class='ff-section_break_desk'><p>Echogenicity compares the nodule to the surroiunding tissue (thyroid parenchyma and muscles). Hyperechoic is increased compared to thyroid parenchyma, isoechoic is similar compared to thyroid parenchyma, hypoechoic is decreased compared to thyroid parenchyma, and very hypoechoic is decreased compared to neck musculature.<\/p><\/div><hr \/><\/div><div class='ff-el-group  ff_list_buttons'><div class=\"ff-el-input--label asterisk-right\"><label   aria-label=\"Echogenicity\">Echogenicity<\/label><\/div><div class='ff-el-input--content'><div class=\"ff_el_checkable_photo_holders\"><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/CYSTIC.png)' class='ff-el-image-input-src' for='input_radio_d9f143b56e6b32874a339e73961b517b' aria-label='Anechoic'><\/label><label class='ff-el-form-check-label' for='input_radio_d9f143b56e6b32874a339e73961b517b'><input  type=\"radio\" name=\"input_radio\" data-name=\"input_radio\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Anechoic\" data-calc_value=\"0\"  id='input_radio_d9f143b56e6b32874a339e73961b517b' aria-label='Anechoic' aria-invalid='false' aria-required=false> <span>Anechoic<\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/HYPERECHOIC-NODULE.png)' class='ff-el-image-input-src' for='input_radio_3a1bcf127db5705cf8d3bb22ef285cb3' aria-label='Hyperechoic or Isoechoic'><\/label><label class='ff-el-form-check-label' for='input_radio_3a1bcf127db5705cf8d3bb22ef285cb3'><input  type=\"radio\" name=\"input_radio\" data-name=\"input_radio\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Hyperechoic or Isoechoic\" data-calc_value=\"1\"  id='input_radio_3a1bcf127db5705cf8d3bb22ef285cb3' aria-label='Hyperechoic or Isoechoic' aria-invalid='false' aria-required=false> <span>Hyperechoic or Isoechoic<\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/HYPOECHOIC-NODULE.png)' class='ff-el-image-input-src' for='input_radio_7c027ed83896de64d08a2da4eb424d57' aria-label='Hypoechoic'><\/label><label class='ff-el-form-check-label' for='input_radio_7c027ed83896de64d08a2da4eb424d57'><input  type=\"radio\" name=\"input_radio\" data-name=\"input_radio\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Hypoechoic \" data-calc_value=\"2\"  id='input_radio_7c027ed83896de64d08a2da4eb424d57' aria-label='Hypoechoic' aria-invalid='false' aria-required=false> <span>Hypoechoic <\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/VERY-HYPOECHOIC.png)' class='ff-el-image-input-src' for='input_radio_da966d946eb55ec73383ff56af191da5' aria-label='Very hypoechoic'><\/label><label class='ff-el-form-check-label' for='input_radio_da966d946eb55ec73383ff56af191da5'><input  type=\"radio\" name=\"input_radio\" data-name=\"input_radio\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Very hypoechoic\" data-calc_value=\"3\"  id='input_radio_da966d946eb55ec73383ff56af191da5' aria-label='Very hypoechoic' aria-invalid='false' aria-required=false> <span>Very hypoechoic<\/span><\/label><\/div><\/div><\/div><\/div><div class=\"ff-el-group ff-el-section-break  ff_left\" data-name=\"section_break-41_4\" ><h3 class='ff-el-section-title'>SHAPE<\/h3><div class='ff-section_break_desk'><p>Shape of the nodule refers to a comparison of AP to transverse dimensions. The only shape identified in several meta-analyses to have a<br \/>significant sensitivity and specificity for thyroid malignancy is taller than wide.<\/p><\/div><hr \/><\/div><div class='ff-el-group  ff_list_buttons'><div class=\"ff-el-input--label asterisk-right\"><label   aria-label=\"Shape\">Shape<\/label><\/div><div class='ff-el-input--content'><div class=\"ff_el_checkable_photo_holders\"><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/ISOECHOIC-NODULE.png)' class='ff-el-image-input-src' for='input_radio_1_39e46e7ee62d6661313b05a5cb6a69b8' aria-label='Wider-than-tall'><\/label><label class='ff-el-form-check-label' for='input_radio_1_39e46e7ee62d6661313b05a5cb6a69b8'><input  type=\"radio\" name=\"input_radio_1\" data-name=\"input_radio_1\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Wider-than-tall\" data-calc_value=\"0\"  id='input_radio_1_39e46e7ee62d6661313b05a5cb6a69b8' aria-label='Wider-than-tall' aria-invalid='false' aria-required=false> <span>Wider-than-tall<\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TALLER-THAN-WIDER.png)' class='ff-el-image-input-src' for='input_radio_1_6e137d49ee5cbedf8e8583136849aa61' aria-label='Taller-than-wide'><\/label><label class='ff-el-form-check-label' for='input_radio_1_6e137d49ee5cbedf8e8583136849aa61'><input  type=\"radio\" name=\"input_radio_1\" data-name=\"input_radio_1\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Taller-than-wide \" data-calc_value=\"3\"  id='input_radio_1_6e137d49ee5cbedf8e8583136849aa61' aria-label='Taller-than-wide' aria-invalid='false' aria-required=false> <span>Taller-than-wide <\/span><\/label><\/div><\/div><\/div><\/div><div class=\"ff-el-group ff-el-section-break  ff_left\" data-name=\"section_break-41_5\" ><h3 class='ff-el-section-title'>MARGIN<\/h3><div class='ff-section_break_desk'><p>Smooth is found on spherical or elliptical nodules with a well-defined edge. Irregular describes spiculated, jagged, or sharp angles with protrusions into the surrounding parenchyma. Lobulated margins are rounded protrusions into the surrounding parenchyma. Ill-defined margins are those where it is not possible to clearly define the margin. Halos are a dark border at the periphery of the nodule and may be incomplete. Extrathyroidal extension refers to when the nodule has broken through the thyroid capsule.<\/p><\/div><hr \/><\/div><div class='ff-el-group  ff_list_buttons'><div class=\"ff-el-input--label asterisk-right\"><label   aria-label=\"Margin\">Margin<\/label><\/div><div class='ff-el-input--content'><div class=\"ff_el_checkable_photo_holders\"><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/solid-nodule-1.png)' class='ff-el-image-input-src' for='input_radio_2_23c0d5bed5b8749bbcec39ca13d7ba4b' aria-label='Smooth'><\/label><label class='ff-el-form-check-label' for='input_radio_2_23c0d5bed5b8749bbcec39ca13d7ba4b'><input  type=\"radio\" name=\"input_radio_2\" data-name=\"input_radio_2\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Smooth\" data-calc_value=\"0\"  id='input_radio_2_23c0d5bed5b8749bbcec39ca13d7ba4b' aria-label='Smooth' aria-invalid='false' aria-required=false> <span>Smooth<\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/IRREGULAR-MARGIN.png)' class='ff-el-image-input-src' for='input_radio_2_ec31eb33711586852b20ca3e4194b580' aria-label='Ill-defined'><\/label><label class='ff-el-form-check-label' for='input_radio_2_ec31eb33711586852b20ca3e4194b580'><input  type=\"radio\" name=\"input_radio_2\" data-name=\"input_radio_2\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Ill-defined \" data-calc_value=\"0\"  id='input_radio_2_ec31eb33711586852b20ca3e4194b580' aria-label='Ill-defined' aria-invalid='false' aria-required=false> <span>Ill-defined <\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/LOBULATED-MARGIN.png)' class='ff-el-image-input-src' for='input_radio_2_6da1f10e1be2715ad3e3d2247946c639' aria-label='Lobulated or irregular'><\/label><label class='ff-el-form-check-label' for='input_radio_2_6da1f10e1be2715ad3e3d2247946c639'><input  type=\"radio\" name=\"input_radio_2\" data-name=\"input_radio_2\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Lobulated or irregular\" data-calc_value=\"2\"  id='input_radio_2_6da1f10e1be2715ad3e3d2247946c639' aria-label='Lobulated or irregular' aria-invalid='false' aria-required=false> <span>Lobulated or irregular<\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/EXTRATHYROIDAL-EXT-MARGIN.png)' class='ff-el-image-input-src' for='input_radio_2_80f080c36c23556bc72bfcf17c1cc7aa' aria-label='Extra-thyroidal extension'><\/label><label class='ff-el-form-check-label' for='input_radio_2_80f080c36c23556bc72bfcf17c1cc7aa'><input  type=\"radio\" name=\"input_radio_2\" data-name=\"input_radio_2\" class=\"ff-el-form-check-input ff-el-form-check-radio\" value=\"Extra-thyroidal extension\" data-calc_value=\"3\"  id='input_radio_2_80f080c36c23556bc72bfcf17c1cc7aa' aria-label='Extra-thyroidal extension' aria-invalid='false' aria-required=false> <span>Extra-thyroidal extension<\/span><\/label><\/div><\/div><\/div><\/div><div class=\"ff-el-group ff-el-section-break  ff_left\" data-name=\"section_break-41_6\" ><h3 class='ff-el-section-title'>ECHOGENIC FOCI<\/h3><div class='ff-section_break_desk'><p>Punctate echogenic foci are \u201cdot-like\u201d and less than 1 mm. Macrocalcifications are large enough to generate a posterior acoustic shadow. Peripheral calcification encompasses the majority of the nodule. Comet tail artifacts are reverberation artifacts that are triangular in shape.<\/p><\/div><hr \/><\/div><div class='ff-el-group  ff_list_buttons'><div class=\"ff-el-input--label asterisk-right\"><label   aria-label=\"Echogenic Foci (Choose All That Apply)\">Echogenic Foci (Choose All That Apply)<\/label><\/div><div class='ff-el-input--content'><div class=\"ff_el_checkable_photo_holders\"><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/COMET-TAIL-ARTIFACTS.png)' class='ff-el-image-input-src' for='checkbox_3b8f22aa6259e7a45584b7696a6842b8' aria-label='None or large comet-tail artifacts'><\/label><label class='ff-el-form-check-label' for='checkbox_3b8f22aa6259e7a45584b7696a6842b8'><input  type=\"checkbox\" name=\"checkbox[]\" data-name=\"checkbox\" class=\"ff-el-form-check-input ff-el-form-check-checkbox\" value=\"None or large comet-tail artifacts\" data-calc_value=\"0\"  id='checkbox_3b8f22aa6259e7a45584b7696a6842b8' aria-label='None or large comet-tail artifacts' aria-invalid='false' aria-required=false> <span>None or large comet-tail artifacts<\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/MACROCALCIFICATION.png)' class='ff-el-image-input-src' for='checkbox_001c30de1c57b0a6460e6ed4776a892a' aria-label='Macrocalcifications'><\/label><label class='ff-el-form-check-label' for='checkbox_001c30de1c57b0a6460e6ed4776a892a'><input  type=\"checkbox\" name=\"checkbox[]\" data-name=\"checkbox\" class=\"ff-el-form-check-input ff-el-form-check-checkbox\" value=\"Macrocalcifications \" data-calc_value=\"1\"  id='checkbox_001c30de1c57b0a6460e6ed4776a892a' aria-label='Macrocalcifications' aria-invalid='false' aria-required=false> <span>Macrocalcifications <\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/PERIPHERAL-CALCIFICATIONS.png)' class='ff-el-image-input-src' for='checkbox_d247ab9820c589c02c5faf1ee2fc3032' aria-label='Peripheral (rim) calcifications'><\/label><label class='ff-el-form-check-label' for='checkbox_d247ab9820c589c02c5faf1ee2fc3032'><input  type=\"checkbox\" name=\"checkbox[]\" data-name=\"checkbox\" class=\"ff-el-form-check-input ff-el-form-check-checkbox\" value=\"Peripheral (rim) calcifications\" data-calc_value=\"2\"  id='checkbox_d247ab9820c589c02c5faf1ee2fc3032' aria-label='Peripheral (rim) calcifications' aria-invalid='false' aria-required=false> <span>Peripheral (rim) calcifications<\/span><\/label><\/div><div class='ff-el-form-check ff-el-form-check- ff-el-image-holder'><label style='background-image: url(https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/PUNCTATE-CALCIFICATIONS.png)' class='ff-el-image-input-src' for='checkbox_5d2db963f0cf3528b17f43cca33df1f4' aria-label='Punctate echogenic foci'><\/label><label class='ff-el-form-check-label' for='checkbox_5d2db963f0cf3528b17f43cca33df1f4'><input  type=\"checkbox\" name=\"checkbox[]\" data-name=\"checkbox\" class=\"ff-el-form-check-input ff-el-form-check-checkbox\" value=\" Punctate echogenic foci \" data-calc_value=\"3\"  id='checkbox_5d2db963f0cf3528b17f43cca33df1f4' aria-label='Punctate echogenic foci' aria-invalid='false' aria-required=false> <span> Punctate echogenic foci <\/span><\/label><\/div><\/div><\/div><\/div><div class='ff-el-group'><div class=\"ff-el-input--label asterisk-right\"><label for='ff_41_numeric-field' id='label_ff_41_numeric-field' aria-label=\"Total Number of Points\">Total Number of Points<\/label><\/div><div class='ff-el-input--content'><input type=\"text\" name=\"numeric-field\" id=\"ff_41_numeric-field\" class=\"ff-el-form-control  ff_has_formula\" data-name=\"numeric-field\" data-calculation_formula=\"{radio.Composition}+{radio.input_radio}+{radio.input_radio_1}+{radio.input_radio_2}+{checkbox.checkbox}\" readonly=\"1\"  aria-invalid=\"false\" aria-required=false><\/div><\/div><div class='ff-el-group has-conditions'><div class=\"ff-el-input--label asterisk-right\"><label for='ff_41_description' id='label_ff_41_description' aria-label=\"TIRADS level of the nodule\">TIRADS level of the nodule<\/label><\/div><div class='ff-el-input--content'><textarea aria-required=\"false\" aria-labelledby=\"label_ff_41_description\" name=\"description\" id=\"ff_41_description\" class=\"ff-el-form-control\" placeholder=\"TR1 nodule : Benign Nodule. Fine needle biopsy is NOT recommended\" rows=\"3\" cols=\"2\" data-name=\"description\" ><\/textarea><\/div><\/div><div class='ff-el-group has-conditions'><div class=\"ff-el-input--label asterisk-right\"><label for='ff_41_description_1' id='label_ff_41_description_1' aria-label=\"TIRADS level of the nodule\">TIRADS level of the nodule<\/label><\/div><div class='ff-el-input--content'><textarea aria-required=\"false\" aria-labelledby=\"label_ff_41_description_1\" name=\"description_1\" id=\"ff_41_description_1\" class=\"ff-el-form-control\" placeholder=\"TR2 nodule : Not Suspicious. Fine needle biopsy is NOT recommended\" rows=\"3\" cols=\"2\" data-name=\"description_1\" ><\/textarea><\/div><\/div><div class='ff-el-group has-conditions'><div class=\"ff-el-input--label asterisk-right\"><label for='ff_41_description_2' id='label_ff_41_description_2' aria-label=\"TIRADS level of the nodule\">TIRADS level of the nodule<\/label><\/div><div class='ff-el-input--content'><textarea aria-required=\"false\" aria-labelledby=\"label_ff_41_description_2\" name=\"description_2\" id=\"ff_41_description_2\" class=\"ff-el-form-control\" placeholder=\"TR3 nodule : Mildly Suspicious. Fine needle biopsy recommended if nodule &gt;\/= 2.5cm in size. Routine follow up ultrasound if &gt;\/= 1.5cm\" rows=\"3\" cols=\"2\" data-name=\"description_2\" ><\/textarea><\/div><\/div><div class='ff-el-group has-conditions'><div class=\"ff-el-input--label asterisk-right\"><label for='ff_41_description_3' id='label_ff_41_description_3' aria-label=\"TIRADS level of the nodule\">TIRADS level of the nodule<\/label><\/div><div class='ff-el-input--content'><textarea aria-required=\"false\" aria-labelledby=\"label_ff_41_description_3\" name=\"description_3\" id=\"ff_41_description_3\" class=\"ff-el-form-control\" placeholder=\"TR4 nodule : Moderately Suspicious. Fine needle biopsy recommended if nodule &gt;\/= 1.5cm in size. Routine follow up ultrasound if &gt;\/= 1cm\" rows=\"3\" cols=\"2\" data-name=\"description_3\" ><\/textarea><\/div><\/div><div class='ff-el-group has-conditions'><div class=\"ff-el-input--label asterisk-right\"><label for='ff_41_description_4' id='label_ff_41_description_4' aria-label=\"TIRADS level of the nodule\">TIRADS level of the nodule<\/label><\/div><div class='ff-el-input--content'><textarea aria-required=\"false\" aria-labelledby=\"label_ff_41_description_4\" name=\"description_4\" id=\"ff_41_description_4\" class=\"ff-el-form-control\" placeholder=\"TR5 nodule : Highly Suspicious. Fine needle biopsy recommended if nodule &gt;\/= 1cm in size. Follow up ultrasound if &gt;\/= 0.5cm, \" rows=\"3\" cols=\"2\" data-name=\"description_4\" ><\/textarea><\/div><\/div><div class='ff-el-group ff-text-left ff_submit_btn_wrapper'><button type=\"submit\" class=\"ff-btn ff-btn-submit ff-btn-md ff_btn_style\"  aria-label=\"Submit and Save Result\">Submit and Save Result<\/button><\/div><\/fieldset><\/form><div id='fluentform_41_errors' class='ff-errors-in-stack ff_form_instance_41_1 ff-form-loading_errors ff_form_instance_41_1_errors'><\/div><\/div>            <script type=\"text\/javascript\">\n                window.fluent_form_ff_form_instance_41_1 = {\"id\":\"41\",\"settings\":{\"layout\":{\"labelPlacement\":\"top\",\"helpMessagePlacement\":\"with_label\",\"errorMessagePlacement\":\"inline\"},\"restrictions\":{\"denyEmptySubmission\":{\"enabled\":false}}},\"form_instance\":\"ff_form_instance_41_1\",\"form_id_selector\":\"fluentform_41\",\"rules\":{\"Composition\":{\"required\":{\"value\":true,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"input_radio\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"input_radio_1\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"input_radio_2\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"checkbox\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"numeric-field\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"},\"numeric\":{\"value\":true,\"message\":\"This field must contain numeric value\",\"global\":false,\"global_message\":\"This field must contain numeric value\"},\"min\":{\"value\":\"\",\"message\":\"Minimum value is \",\"global\":false,\"global_message\":\"Validation fails for minimum value\"},\"max\":{\"value\":\"\",\"message\":\"Maximum value is \",\"global\":false,\"global_message\":\"Validation fails for maximum value\"},\"digits\":{\"value\":\"\",\"message\":\"The number of digits has to be \",\"global\":false,\"global_message\":\"Validation fails for limited digits\"}},\"description\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"description_1\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"description_2\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"description_3\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"description_4\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}}},\"debounce_time\":300,\"conditionals\":{\"description\":{\"type\":\"any\",\"status\":true,\"conditions\":[{\"field\":\"numeric-field\",\"value\":\"0\",\"operator\":\"=\"},{\"field\":\"numeric-field\",\"value\":\"1\",\"operator\":\"=\"}]},\"description_1\":{\"type\":\"all\",\"status\":true,\"conditions\":[{\"field\":\"numeric-field\",\"value\":\"2\",\"operator\":\"=\"}]},\"description_2\":{\"type\":\"all\",\"status\":true,\"conditions\":[{\"field\":\"numeric-field\",\"value\":\"3\",\"operator\":\"=\"}]},\"description_3\":{\"type\":\"any\",\"status\":true,\"conditions\":[{\"field\":\"numeric-field\",\"value\":\"4\",\"operator\":\"=\"},{\"field\":\"numeric-field\",\"value\":\"5\",\"operator\":\"=\"},{\"field\":\"numeric-field\",\"value\":\"6\",\"operator\":\"=\"}]},\"description_4\":{\"type\":\"any\",\"status\":true,\"conditions\":[{\"field\":\"numeric-field\",\"value\":\"7\",\"operator\":\"=\"},{\"field\":\"numeric-field\",\"value\":\"7\",\"operator\":\">\"}]}}};\n                            <\/script>\n            \n<h2>Interpretation of results<\/h2>\n<p><strong>TIRADS (TR) levels (total number of points):<\/strong><\/p>\n<ul>\n<li>TR1 nodule is Benign (0 pts)<\/li>\n<li>TR2 nodule is Not Suspicious (2 pts)<\/li>\n<li>TR3 nodule is Mildly Suspicious (3 pts)<\/li>\n<li>TR4 nodule is Moderately Suspicious (4-6 pts)<\/li>\n<li>TR5 nodule is Highly Suspicious (\u22657 pts)<\/li>\n<\/ul>\n<h2>TI-RADS Score Management Guidelines<\/h2>\n<table width=\"770\">\n<tbody>\n<tr>\n<td width=\"143\"><strong>ACR TI-RADS Score<\/strong><\/td>\n<td width=\"210\"><strong>Malignancy Risk<\/strong><\/td>\n<td width=\"417\"><strong>Plan<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"143\">0<\/td>\n<td width=\"210\">TR1 \u2013 Benign<\/td>\n<td width=\"417\">FNAB is not indicated<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">1 &#8211; 2<\/td>\n<td width=\"210\">TR2 \u2013 Not suspicious<\/td>\n<td width=\"417\">FNAB is not indicated<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">3<\/td>\n<td width=\"210\">TR3 \u2013 Mildly Suspicious<\/td>\n<td width=\"417\">FNA if \u2265 2.5 cmFollow if \u2265 1.5 cm<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">4 &#8211; 6<\/td>\n<td width=\"210\">TR4 \u2013 Moderately Suspicious<\/td>\n<td width=\"417\">FNA if \u2265 1.5 cmFollow if \u2265 1 cm<\/td>\n<\/tr>\n<tr>\n<td width=\"143\">\u2265 7<\/td>\n<td width=\"210\">TR5 \u2013 Highly Suspicious<\/td>\n<td width=\"417\">FNA if \u2265 1 cm Follow if \u2265 0.5 cm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>FNAB : Fine Needle Aspiration Biopsy<\/p>\n<p><strong>Timing of Follow-Up Sonograms<\/strong><br \/>The optimal timing for follow-up imaging of nodules that do not meet criteria for FNA is not standardized. Current guidelines recommend the following:<\/p>\n<ul>\n<li><strong>TR5 lesions<\/strong>: Annual sonograms for up to 5 years.<\/li>\n<li><strong>TR4 lesions<\/strong>: Imaging at 1, 2, 3, and 5 years.<\/li>\n<li><strong>TR3 lesions<\/strong>: Follow-up at 1, 3, and 5 years.<\/li>\n<\/ul>\n<p>If no size changes are observed during the 5-year period, imaging may be discontinued, reflecting benign behavior. For nodules that enlarge significantly but remain below FNA criteria, continued follow-up beyond 5 years may be required, though specific guidelines for such cases are lacking. If a nodule\u2019s ACR TI-RADS (Thyroid Imaging Reporting and Data System) level increases, follow-up imaging should be scheduled within 1 year, regardless of its initial classification.<\/p>\n<p><strong>Number of Nodules to Biopsy<\/strong><br \/>To minimize unnecessary procedures and patient discomfort, FNA biopsy should be limited to the two nodules with the highest suspicion based on imaging features. This approach balances the need for thorough evaluation with patient safety and comfort.<\/p>\n<p>This comprehensive assessment framework ensures a systematic approach to evaluating thyroid nodules, prioritizing patient safety while optimizing diagnostic accuracy.<\/p>\n<h2>A Guide to Evaluating Thyroid nodules.<\/h2>\n<p><strong>Composition<\/strong><br \/>Thyroid nodules exhibit varying levels of risk based on their internal structure. Nodules that are cystic or predominantly cystic, including those classified as spongiform with multiple small cystic spaces, are generally considered benign. Conversely, nodules with solid components require careful evaluation, particularly when these components exhibit suspicious characteristics such as irregular margins, hypoechogenicity, or calcifications.\u00a0<\/p>\n<p>The recommended terminology for thyroid nodule composition is as follows:<\/p>\n<ul>\n<li><strong>Cystic<\/strong>: Refers to nodules that are entirely fluid-filled.<\/li>\n<li><strong>Predominantly cystic<\/strong>: Indicates nodules where the soft tissue component comprises less than 50% of the total volume.<\/li>\n<li><strong>Predominantly solid<\/strong>: Refers to nodules where the soft tissue component accounts for more than 50% of the volume.<\/li>\n<li><strong>Solid<\/strong>: Describes nodules that are almost entirely solid, with only a few tiny cystic spaces present.<\/li>\n<li><strong>Spongiform<\/strong>: Composed of numerous small cystic spaces<\/li>\n<\/ul>\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"298\" src=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-composition.png\" alt=\"\" class=\"wp-image-4422146\" srcset=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-composition.png 960w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-composition-300x93.png 300w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-composition-768x238.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p><strong>Echogenicity<\/strong><br>The echogenicity of a nodule is assessed by comparing its reflectivity to the adjacent thyroid tissue. For most nodules, this comparison provides an important clue to their nature. <\/p>\n\n\n\n<p>Echogenicity is categorized into four levels, each compared to the surrounding tissue:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hyperechoic<\/strong>: Reflectivity is higher than that of the thyroid parenchyma.<\/li>\n\n\n\n<li><strong>Isoechoic<\/strong>: Reflectivity is similar to the thyroid parenchyma.<\/li>\n\n\n\n<li><strong>Hypoechoic<\/strong>: Reflectivity is lower than the thyroid parenchyma.<\/li>\n\n\n\n<li><strong>Very hypoechoic<\/strong>: Reflectivity is lower than the neck musculature.<\/li>\n<\/ul>\n\n\n\n<p>These distinctions provide a standardized framework for evaluating and describing nodule characteristics on ultrasound.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"298\" src=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-ECHOGENICITY-1.png\" alt=\"\" class=\"wp-image-4422149\" srcset=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-ECHOGENICITY-1.png 960w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-ECHOGENICITY-1-300x93.png 300w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-ECHOGENICITY-1-768x238.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p><strong>Shape<\/strong><br>The shape of a nodule is a critical parameter in risk stratification. A nodule that is &#8220;taller-than-wide,&#8221; as measured in the axial plane (height exceeding width), is a highly specific indicator of malignancy. This characteristic often suggests aggressive growth patterns that warrant further diagnostic evaluation, including fine-needle aspiration (FNA) biopsy.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"298\" src=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TIRADS-CALCULATOR-SHAPE-FINAL.png\" alt=\"\" class=\"wp-image-4422150\" srcset=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TIRADS-CALCULATOR-SHAPE-FINAL.png 960w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TIRADS-CALCULATOR-SHAPE-FINAL-300x93.png 300w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TIRADS-CALCULATOR-SHAPE-FINAL-768x238.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p><strong>Margins<\/strong><br>Nodule margins provide significant diagnostic insight. Smooth, well-defined margins are generally associated with benign lesions. In contrast, ill-defined or irregular margins, particularly those with protrusions, spicules, or lobulations, should raise suspicion for malignancy. Nodules that extend beyond the thyroid capsule or invade surrounding structures are especially concerning and suggest the possibility of invasive malignancy.<\/p>\n\n\n\n<p>There are various margin descriptions<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Smooth<\/strong>: Found in spherical or elliptical nodules with well-defined, clear edges.<\/li>\n\n\n\n<li><strong>Irregular<\/strong>: Characterized by spiculated, jagged, or sharp angles, often with protrusions extending into the surrounding parenchyma.<\/li>\n\n\n\n<li><strong>Lobulated<\/strong>: Features rounded protrusions extending into the surrounding parenchyma.<\/li>\n\n\n\n<li><strong>Ill-defined<\/strong>: Margins that cannot be clearly delineated, making it difficult to define the nodule&#8217;s boundary.<\/li>\n\n\n\n<li><strong>Halo<\/strong>: A dark border surrounding the nodule, which may be complete or incomplete.<\/li>\n\n\n\n<li><strong>Extrathyroidal extension<\/strong>: Occurs when the nodule has breached the thyroid capsule, extending into adjacent tissues.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"298\" src=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-MARGIN.png\" alt=\"\" class=\"wp-image-4422153\" srcset=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-MARGIN.png 960w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-MARGIN-300x93.png 300w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-MARGIN-768x238.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p><strong>Echogenic Foci<\/strong><br>The presence and type of echogenic foci within a nodule influence its risk assessment. Punctate echogenic foci (microcalcifications) within solid components are particularly worrisome, as they are associated with papillary thyroid carcinoma. Larger coarse calcifications or peripheral eggshell calcifications may be seen in both benign and malignant nodules and should be interpreted in the context of other ultrasound features.<\/p>\n\n\n\n<p>Various descriptions for echogenic foci<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Punctate echogenic foci<\/strong>: Small, &#8220;dot-like&#8221; structures measuring less than 1 mm in size.<\/li>\n\n\n\n<li><strong>Macrocalcifications<\/strong>: Larger calcifications capable of producing a posterior acoustic shadow on ultrasound.<\/li>\n\n\n\n<li><strong>Peripheral calcifications<\/strong>: Calcifications that encircle the majority of the nodule&#8217;s outer edge.<\/li>\n\n\n\n<li><strong>Comet-tail artifacts<\/strong>: Reverberation artifacts appearing as triangular-shaped echoes.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"298\" src=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-CALCIFICATION.png\" alt=\"\" class=\"wp-image-4422154\" srcset=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-CALCIFICATION.png 960w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-CALCIFICATION-300x93.png 300w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/tirads-calculator-CALCIFICATION-768x238.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<p><strong>Papillary Thyroid Microcarcinomas (PTMCs)<\/strong><br>Routine biopsy is generally not recommended for nodules smaller than 1 cm, including PTMCs, unless specific clinical circumstances justify intervention. Exceptions may include cases where there is active surveillance, planned ablation, or consideration of surgical procedures such as lobectomy. Clinical judgment and patient-specific factors are essential in deciding management strategies for these small lesions.<\/p>\n\n\n\n<p><strong>Measurement and Documentation<\/strong><br>Accurate measurement and thorough documentation of nodule size and location are essential for tracking changes over time. Measurements should include three dimensions (height, width, and depth) and should be recorded consistently to enable reliable comparison during follow-up assessments.<\/p>\n\n\n\n<p><strong>Definition of Growth<\/strong><br>Growth is defined as a 20% or greater increase in at least two dimensions of the nodule, with a minimum size increase of 2 mm, or a 50% or greater increase in the nodule\u2019s volume. Significant growth is an indicator for reevaluation and may necessitate a change in management strategy.<\/p>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-1ff3e2c2-5370-455f-9c9f-38b69ae770a6\" href=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TIRADS-chart-scaled.jpg\">TIRADS chart<\/a><a href=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TIRADS-chart-scaled.jpg\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-1ff3e2c2-5370-455f-9c9f-38b69ae770a6\">Download<\/a><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"672\" src=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TR-Classification.png\" alt=\"\" class=\"wp-image-4422117\" srcset=\"https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TR-Classification.png 960w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TR-Classification-300x210.png 300w, https:\/\/myendoconsult.com\/learn\/wp-content\/uploads\/TR-Classification-768x538.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Limitations\/Caveats<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <a href=\"https:\/\/myendoconsult.com\/learn\/normal-thyroid-ultrasound-images\/\">normal thyroid gland<\/a> is brighter (hyperechoic) than the strap muscles (hypoechoic) on ultrasound. By comparing the brightness of the nodule to surrounding thyroid parenchyma, a thyroid nodule may be categorized as anechoic, hypoechoic, isoechoic, or hyperechoic.<\/li>\n\n\n\n<li>Anechoic, which correlates to 0 points on the ACR-TIRADS risk calculator, refers to a classic fluid-filled cyst. On the other hand, Very Hypoechoic is indicative of possible malignancy and refers to a nodule with an echogenicity lower than that of the overlying strap muscles.<\/li>\n\n\n\n<li>Classic pseudo-nodules seen in the setting of Hashimoto\u2019s thyroiditis should not be classified as multiple hypoechoic and hyperechoic nodules. This background of multiple areas of variable echogenicity noted on <a href=\"https:\/\/myendoconsult.com\/learn\/courses\/thyroid-ultrasound\/\">thyroid ultrasound<\/a> is sometimes referred to as Giraffe Skin Pattern. Furthermore, a uniform hyperechoic focus can be seen in a gland affected by Hashimoto\u2019s thyroiditis. This is often described as a <em>white knight nodule<\/em> and is completely benign.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Reference(s)<\/h2>\n\n\n\n<p>Tessler FN, Middleton WD et al. ACR Thyroid Imaging, Reporting and Data System (TI-RADS): White Paper of the ACR TI-RADS Committee.<a href=\"https:\/\/doi.org\/10.1016\/j.jacr.2017.01.046\"> J Am Coll Radiol. 2017 May;14(5):587-595.&nbsp;<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a free online calculator to estimate the risk of thyroid cancer (and the need for fine needle biopsy of thyroid nodules). It is based on the Thyroid Imaging Reporting and Data System (TI-RADS) endorsed by the American College of Radiology (ACR). The tool is intended for health care professionals only. Enter relevant data [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-4140384","post","type-post","status-publish","format-standard","hentry","category-endocalculator","post-wrapper","thrv_wrapper"],"_links":{"self":[{"href":"https:\/\/myendoconsult.com\/learn\/wp-json\/wp\/v2\/posts\/4140384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/myendoconsult.com\/learn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/myendoconsult.com\/learn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/myendoconsult.com\/learn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/myendoconsult.com\/learn\/wp-json\/wp\/v2\/comments?post=4140384"}],"version-history":[{"count":67,"href":"https:\/\/myendoconsult.com\/learn\/wp-json\/wp\/v2\/posts\/4140384\/revisions"}],"predecessor-version":[{"id":4422159,"href":"https:\/\/myendoconsult.com\/learn\/wp-json\/wp\/v2\/posts\/4140384\/revisions\/4422159"}],"wp:attachment":[{"href":"https:\/\/myendoconsult.com\/learn\/wp-json\/wp\/v2\/media?parent=4140384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/myendoconsult.com\/learn\/wp-json\/wp\/v2\/categories?post=4140384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/myendoconsult.com\/learn\/wp-json\/wp\/v2\/tags?post=4140384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}