title: Angiolymphoid hyperplasia with eosinophilia involving skeletal muscle.
abstract: A vascular tumour involving the trapezius muscle is described. In addition to proliferating blood vessels with perithelial cuffing, there was a distinctive stroma of lymphoid aggregates, plasmacytoid cells, some mast cells and large numbers of eosinophils, many with a perivascular distribution. This solely intramuscular lesion was considered to be an example of angiolymphoid hyperplasia with eosinophilia. The aetiology and pathogenesis are discussed.
mesh_terms: D000328:Adult; D003094:Collagen; D004547:Elastic Tissue / Q000473:pathology; D004727:Endothelium / Q000473:pathology; D004804:Eosinophils; D005260:Female; D006801:Humans; D006965:Hyperplasia; D008214:Lymphocytes; D008407:Mast Cells; D009135:Muscular Diseases / Q000097:blood / Q000473:pathology*; D009383:Neoplasms, Vascular Tissue / Q000097:blood / Q000473:pathology*; D010950:Plasma Cells
chemical_list: D003094:Collagen