title: Primary mucinous carcinoma of the thyroid gland: report of a case and ultrastructural study.
abstract: A follicular carcinoma of the thyroid with extensive mucin production was found in a 54-year-old woman. The primary nature of this rare neoplasm of the thyroid gland is supposrted by the presence of both colloid and mucin-producing follicles. Ultrastructural features confirm the secretion of colloid and mucin in the same neoplastic thyroid cells.
mesh_terms: D002288:Adenocarcinoma, Mucinous / Q000648:ultrastructure*; D003102:Colloids; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D008875:Middle Aged; D009077:Mucins / Q000378:metabolism; D013964:Thyroid Neoplasms / Q000378:metabolism / Q000473:pathology / Q000648:ultrastructure*
chemical_list: D003102:Colloids; D009077:Mucins