title: Unusual variants of hyperparathyroidism.
mesh_terms: D000236:Adenoma / Q000150:complications; D000368:Aged; D001344:Autopsy; D001842:Bone and Bones / Q000473:pathology; D002118:Calcium / Q000097:blood; D005260:Female; D006801:Humans; D006934:Hypercalcemia / Q000209:etiology; D006961:Hyperparathyroidism / Q000097:blood / Q000150:complications* / Q000473:pathology / Q000601:surgery; D007668:Kidney / Q000473:pathology; D008875:Middle Aged; D009397:Nephrocalcinosis / Q000209:etiology; D010002:Osteitis Fibrosa Cystica / Q000209:etiology; D010018:Osteomalacia / Q000209:etiology; D010280:Parathyroid Glands / Q000473:pathology; D010282:Parathyroid Neoplasms / Q000150:complications; D012008:Recurrence; D014808:Vitamin D Deficiency / Q000150:complications
chemical_list: D002118:Calcium