Images in Clinical Medicine
A Medical Mystery — Concentric Calcification
N Engl J Med 2006; 354:508February 2, 2006
- Article
An elderly man reported having recurrent hematuria over a period of two years. He had undergone transurethral resection of the prostate because of benign prostatic hypertrophy two years earlier. He had evidence of chronic renal insufficiency, with a serum creatinine level of 4.4 mg per deciliter (389 μmol per liter). Multiple urinalyses in the previous several months had revealed gross and microscopic hematuria, pyuria, triple phosphate crystals, and a pH of more than 9.0. For the previous two years, urinalyses had been intermittently positive for nitrates. Multiple urine cultures during the previous nine months had yielded only “contaminants.” A computed tomographic scan of the pelvis appears here. What is the diagnosis?
Dong Hoon Daniel Kim, M.D.
Victor L. Yu, M.D.
Veterans Affairs Medical Center, Pittsburgh, PA 15240- Citing Articles (1)
Citing Articles
1
Yu, Victor L., Kim, Dong Hong Daniel, . (2006) Medical Mystery: Concentric Calcification — The Answer. New England Journal of Medicine 354:13, 1433-1434
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