{"id":6450,"date":"2024-02-21T13:18:38","date_gmt":"2024-02-21T13:18:38","guid":{"rendered":"https:\/\/abpath.org\/?page_id=6450"},"modified":"2026-02-03T12:51:10","modified_gmt":"2026-02-03T12:51:10","slug":"terminology-changes","status":"publish","type":"page","link":"https:\/\/abpath.org\/terminology-changes\/","title":{"rendered":"Terminology Changes"},"content":{"rendered":"\n
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The following terms may be seen on board certification exams and were updated to reflect changes in current guidelines. Terms are listed alphabetically by old term.<\/h4>\n\n\n\n
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Terminology Changes for 2026<\/h2>\n\n\n\n
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Old Term:<\/strong>
Term was used in 2025 exams and prior.<\/th>		New Term:<\/strong>
Term will be used in 2026 exams and going forward.<\/th><\/tr><\/thead>
aggressive digital papillary adenocarcinoma
aggressive digital papillary carcinoma
aggressive digital papillary adenoma<\/td>		digital papillary adenocarcinoma<\/td><\/tr>
BAP-1 associated nevus<\/td>BAP-1 inactivated melanocytoma<\/td><\/tr>
Battle sign<\/td>mastoid ecchymosis<\/td><\/tr>
CHARGE association<\/td>CHARGE syndrome<\/td><\/tr>
Enterobacteriaceae<\/td>Enterobacterales<\/td><\/tr>
hemangiopericytoma<\/td>solitary fibrous tumor<\/td><\/tr>
isospora<\/em><\/td>cystoisospora<\/em><\/td><\/tr>
isosporiasis<\/td>Cystoisosporiasis<\/td><\/tr>
Isospora belli<\/em><\/td>Cystoisospora belli<\/em><\/td><\/tr>
jelly-roll (Placenta Questions)<\/td>membrane-roll<\/td><\/tr>
Masson hemangioma<\/td>papillary endothelial hyperplasia<\/td><\/tr>
maternal floor infarction<\/td>massive perivillous fibrin deposition<\/td><\/tr>
poorly differentiated (insular) thyroid carcinoma
insular carcinoma of the thyroid
insular carcinoma (thyroid only)<\/td>		high-grade follicular cell-derived nonanaplastic thyroid carcinoma<\/td><\/tr>
proliferating juvenile hemangioma<\/td>infantile hemangioma<\/td><\/tr>
proliferative Brenner tumor<\/td>borderline Brenner tumor<\/td><\/tr>
round cell liposarcoma<\/td>myxoid liposarcoma<\/td><\/tr>
sessile serrated adenoma (GI only)<\/td>sessile serrated lesion<\/td><\/tr>
transitional cell carcinoma<\/td>urothelial carcinoma<\/td><\/tr>
thrombotic thrombocytopenia (TTP)<\/td>thrombotic thrombocytopenic purpura (TTP)<\/td><\/tr>
unsatisfactory (cytopathology only)<\/td>nondiagnostic<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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Terminology Changes for 2025<\/h2>\n\n\n\n
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Old Term:<\/strong>
Term was used in 2024 exams and prior.<\/th>		New Term:<\/strong>
Term will be used in 2025 exams and going forward.<\/th><\/tr><\/thead>
AUS\/FLUS (cytopathology)<\/td>AUS<\/td><\/tr>
blighted ovum<\/td>anembryonic pregnancy<\/td><\/tr>
follicular neoplasm, H\u00fcrthle cell type (thyroid questions only)<\/td>follicular neoplasm, oncocytic type<\/td><\/tr>
H\u00fcrthle cell carcinoma (thyroid questions only)<\/td>oncocytic carcinoma<\/td><\/tr>
H\u00fcrthle cell neoplasm (thyroid questions only)<\/td>oncocytic neoplasm<\/td><\/tr>
insular carcinoma (thyroid questions only)<\/td>high-grade follicular cell-derived non-anaplastic thyroid carcinoma<\/td><\/tr>
maternal floor infarction<\/td>massive perivillous fibrin deposition<\/td><\/tr>
Monkey pox<\/td>Mpox<\/td><\/tr>
pituitary adenoma<\/td>PitNET\/adenoma<\/td><\/tr>
sloughing esophagitis<\/td>esophagitis dissecans superficialis<\/td><\/tr>
thrombotic thrombocytopenia (TTP)<\/td>thrombotic thrombocytopenic purpura (TTP)<\/td><\/tr>
unsatisfactory (thyroid cytology terminology when applicable)<\/td>nondiagnostic<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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Terminology Changes for 2024<\/h2>\n\n\n\n
<\/div>\n\n\n\n
Old Term:<\/strong>
Term was used in 2023 exams and prior.<\/th>		New Term:<\/strong>
Term will be used in 2024 exams and going forward.<\/th><\/tr><\/thead>
abused<\/td>misused<\/td><\/tr>
alcoholic<\/td>person with alcohol use disorder<\/td><\/tr>
alcoholism<\/td>alcohol use disorder<\/td><\/tr>
allergic esophagitis<\/td>eosinophilic esophagitis<\/td><\/tr>
angiolymphoid hyperplasia with eosinophilia<\/td>epithelioid hemangioma<\/td><\/tr>
benign follicular nodule (thyroid questions only)<\/td>follicular nodular disease<\/td><\/tr>
benign papillary mesothelioma<\/td>well-differentiated papillary mesothelial tumor of the pleura<\/td><\/tr>
Churg-Strauss disease or syndrome<\/td>eosinophilic granulomatosis with polyangiitis<\/td><\/tr>
cribriform-morular variant of papillary thyroid carcinoma<\/td>cribriform morular thyroid carcinoma<\/td><\/tr>
cystic adenomatoid malformation<\/td>congenital pulmonary airway malformation<\/td><\/tr>
electrical conductive device<\/td>conducted energy device<\/td><\/tr>
endometrial adenosarcoma<\/td>adenosarcoma of the uterine corpus<\/td><\/tr>
endometrial stromal sarcoma<\/td>low-grade endometrial stromal sarcoma<\/td><\/tr>
hyalinizing trabecular adenoma<\/td>hyalinizing trabecular tumor<\/td><\/tr>
H\u00fcrthle cell adenoma (thyroid questions only)<\/td>oncocytic adenoma of the thyroid<\/td><\/tr>
Kleihauer-Betke<\/td>fetal RBC quantitation in maternal blood<\/td><\/tr>
Lacazia loboi<\/em><\/td>Paracoccidioides loboi<\/em><\/td><\/tr>
metaphyseal fibrous defect<\/td>non-ossifying fibroma<\/td><\/tr>
Mongolian spot<\/td>congenital dermal melanocytosis<\/td><\/tr>
myxoid chondrosarcoma<\/td>extraskeletal myxoid chondrosarcoma<\/td><\/tr>
pigmented villonodular synovitis<\/td>tenosynovial giant cell tumor<\/td><\/tr>
poorly differentiated thyroid carcinoma (thyroid questions only)<\/td>high-grade follicular cell-derived non-anaplastic thyroid carcinoma<\/td><\/tr>
pulmonary blastoma<\/td>pleuropulmonary blastoma<\/td><\/tr>
Reference ranges<\/td>Reference Value(s) or Reference Interval, as appropriate<\/td><\/tr>
sclerosing hemangioma (lung questions only)<\/td>sclerosing pneumocytoma<\/td><\/tr>
Wegener granulomatosis<\/td>granulomatosis with polyangiitis<\/td><\/tr>
well-differentiated papillary mesothelioma (In GYN pathology questions only)<\/td>well-differentiated papillary mesothelial tumor<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
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The following terms may be seen on board certification exams and were updated to reflect changes in current guidelines. Terms are listed alphabetically by old term. Terminology Changes for 2026 Old Term:Term was used in 2025 exams and prior. New Term:Term will be used in…<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"class_list":["post-6450","page","type-page","status-publish","hentry"],"yoast_head":"\nTerminology Changes - American Board of Pathology<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/abpath.org\/terminology-changes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Terminology Changes - American Board of Pathology\" \/>\n<meta property=\"og:description\" content=\"The following terms may be seen on board certification exams and were updated to reflect changes in current guidelines. 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