Undifferentiated carcinoma of thyroid gland - CISMeF
Undifferentiated carcinoma of thyroid glandICD-11 Subcategory
ICD-11 code : 2D10.3;
Preferred Label : Undifferentiated carcinoma of thyroid gland;
ICD-11 definition : 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 invariably aggressive.;
ICD-11 synonym : anaplastic carcinoma of thyroid gland;
ICD-11 inclusion : anaplastic carcinoma of thyroid gland;
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 invariably aggressive.