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Previous Volume 351:2102-2110 November 11, 2004 Number 20 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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Presentation of Case

Dr. Donald S. Kaufman (Hematology–Oncology): A 45-year-old man was admitted to the hospital because of recurrent flank pain, hematuria, and a mass in the renal pelvis.

The patient had had an episode of hematuria and pain in the right flank 11 months earlier, which had been evaluated at another hospital. At that time, an intravenous pyelogram showed a high-grade obstruction on the right side. Right retrograde nephroureterography performed at the same time a stent was placed showed a filling defect in the right proximal ureter that was consistent with a uric acid stone. A radiograph after the procedure showed the . . . [Full Text of this Article]

Differential Diagnosis

Dr. Douglas M. Dahl's Diagnosis

Pathological Discussion

Discussion of Management

Anatomical Diagnosis

Source Information

From the Departments of Urology (D.M.D.), Radiology (P.R.M.), and Pathology (R.H.Y.), Massachusetts General Hospital; and the Departments of Surgery (D.M.D.), Radiology (P.R.M.), and Pathology (R.H.Y.), Harvard Medical School.

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