8350/3 Nonencapsulated sclerosing carcinoma
SynonymsNonencapsulated sclerosing adenocarcinoma
Nonencapsulated sclerosing tumor
Related termsPapillary carcinoma, diffuse sclerosing
|ICD-O-3 topography code:||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.