Glomus tympanicum tumor.
D006801:Humans; D015451:Leukemia, Lymphocytic, Chronic, B-Cell / Q000150:complications; D008297:Male; D008875:Middle Aged; D010234:Paraganglia, Nonchromaffin / Q000473:pathology*; D010236:Paraganglioma, Extra-Adrenal / Q000473:pathology* / Q000601:surgery