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Article
February 21, 1977

Vitamin C and Oxalate Stones

Author Affiliations

Wood Veterans Administration Hospital and Medical College of Wisconsin Milwaukee

JAMA. 1977;237(8):768. doi:10.1001/jama.1977.03270350028015
Abstract

To the Editor.—  We report the case of a man with an oxalate stone who took vitamin C regularly.

Report of a Case.—  A 21-year-old candidate for a commission in the Army was evaluated for urinary tract stones. He had been seen by a urologist because of flank pain. A stone was recovered from his urine; on analysis, it proved to be a calcium oxalate stone. Results of an intravenous pyelogram were normal.Results of a physical examination, including blood pressure determinations, were entirely normal. There were no complaints at the time of the evaluation, and there was no family history of renal disease.Laboratory studies had the following results: urinalysis with careful microscopic examination was normal; serum and 24-hour urine levels of calcium, phosphorus, and uric acid were normal; and the urinary oxalate level was 127, 126, and 76 mg in three 24-hour specimens (normal, less than 40 mg/24

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