8350/3 Nonencapsulated sclerosing carcinoma


Nonencapsulated sclerosing adenocarcinoma
Nonencapsulated sclerosing tumor


Thyroid gland
ICD-O-3 topography code: C73
ICD10: C73

A morphologic variant of papillary carcinoma of the thyroid gland that more often affects young patients and commonly metastasizing to the lungs. It is characterized by a diffuse infiltration of the thyroid gland by malignant follicular cells, squamous metaplasia, stromal fibrosis, and lymphocytic infiltration.