title: IgA nephropathy in a young man with primary hyperparathyroidism.
abstract: We report the first documented case of IgA nephropathy occurring after treatment of primary hyperparathyroidism. A 29-year-old man with a history of kidney stones and primary hyperparathyroidism underwent kidney biopsy for persistent proteinuria and microhematuria 18 months after resection of an ectopic parathyroid adenoma with subsequent normalization of serum calcium and parathyroid hormone levels. On ultrasound, renal intraparenchymal calcifications were noted. Renal biopsy revealed IgA nephropathy in addition to tubulointerstitial microcalcifications. The development of IgA nephropathy may have been influenced by hyperparathyroidism and/or its treatment. The case highlights the role of renal biopsy in patients with a history of kidney stones and abnormal urinary findings.
authors.affiliation: Department of Cardiology, Intensive Care Medicine and Nephrology, Krankenhaus St. Franziskus, Mönchengladbach, Germany.
authors.forename: E
authors.initials: E
authors.lastname: Jochum
authors.forename: V M
authors.initials: VM
authors.lastname: Brandenburg
authors.forename: H P
authors.initials: HP
authors.lastname: Brodersen
authors.forename: U
authors.initials: U
authors.lastname: Janssen
mesh_terms: D000236:Adenoma / Q000150:complications; D000328:Adult; D001706:Biopsy; D002118:Calcium / Q000097:blood; D005922:Glomerulonephritis, IGA / Q000209:etiology*; D006801:Humans; D006961:Hyperparathyroidism / Q000150:complications* / Q000473:pathology / Q000601:surgery; D008297:Male; D010281:Parathyroid Hormone / Q000097:blood; D010282:Parathyroid Neoplasms / Q000150:complications
chemical_list: D010281:Parathyroid Hormone; D002118:Calcium