title: Recurrent hyperparathyroidism.
mesh_terms: D000236:Adenoma / Q000175:diagnosis*; D006801:Humans; D006961:Hyperparathyroidism / Q000209:etiology* / Q000473:pathology; D006965:Hyperplasia; D008297:Male; D008875:Middle Aged; D010280:Parathyroid Glands / Q000473:pathology; D010282:Parathyroid Neoplasms / Q000175:diagnosis*; D012008:Recurrence