title: Perineal infiltration by plasma cells in a patient with multiple myeloma. A rare presentation.
abstract: The case history of a 39-year-old man suffering from multiple myeloma is presented. During his illness he developed congestive cardiomyopathy, possibly due to amyloidosis, and a single perineal plasma cell infiltrate, resembling a perianal fistula. This diagnosis should be considered in patients with multiple myeloma suffering from perineal lesions.
mesh_terms: D000328:Adult; D000686:Amyloidosis / Q000150:complications; D003937:Diagnosis, Differential; D006333:Heart Failure / Q000209:etiology; D006801:Humans; D008297:Male; D009101:Multiple Myeloma / Q000175:diagnosis / Q000473:pathology*; D010502:Perineum / Q000473:pathology*; D010950:Plasma Cells / Q000473:pathology*; D012003:Rectal Fistula / Q000175:diagnosis