A primary carcinoma of the thyroid gland composed of undifferentiated cells. The malignant cells demonstrate evidence of epithelial differentiation, either by immunohistochemistry or electron microscopic studies. Microscopically, in the majority of cases there is a mixture of spindle, epithelioid, and giant cells. The vast majority of the patients present with a rapidly enlarging neck mass. The clinical course is usually aggressive.
undifferentiated carcinoma of esophagus
undifferentiated carcinoma of liver and intrahepatic biliary tract +
undifferentiated carcinoma of nasopharynx
undifferentiated carcinoma of stomach
undifferentiated carcinoma of the corpus uteri
Undifferentiated Gallbladder Carcinoma
Undifferentiated Ovarian Carcinoma
Undifferentiated Pancreatic Carcinoma +
Synonyms
Exact Synonyms:
DOID:0080522
;
Dedifferentiated thyroid gland carcinoma
;
NCIT:C3878
;
Orphanet:142
;
anaplastic carcinoma of the thyroid
;
anaplastic carcinoma of the thyroid gland
;
anaplastic carcinoma of thyroid
;
anaplastic carcinoma of thyroid gland
;
anaplastic thyroid gland carcinoma
;
http://identifiers.org/meddra/10002240