title: Extravascular papillary endothelial hyperplasia.
abstract: The clinicopathologic features of a unique case of papillary endothelial hyperplasia occurring in an organizing hematoma of the thyroid gland are reported and compared with reported cases of intravascular papillary endothelial hyperplasia.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D004727:Endothelium / Q000473:pathology; D005260:Female; D006391:Hemangioma / Q000473:pathology*; D006801:Humans; D006965:Hyperplasia; D013964:Thyroid Neoplasms / Q000473:pathology*