Stephen M Dierks

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Percutaneous endopyelotomy has been shown to be successful in treating ureteropelvic junction obstruction in adults. Little data have been published regarding this procedure in children. We describe 4 patients 6.5 weeks to 5.5 years old who underwent percutaneous endopyelotomy to treat ureteropelvic junction obstruction following failed open dismembered(More)
PURPOSE Renal medullary carcinoma is a rare and extremely aggressive neoplasm that almost always develops in young patients with sickle cell trait. To our knowledge all cases to date have been metastatic at surgical resection. Pathological examination reveals an aggressive tumor mainly involving the renal medulla with a varied morphology. The prognosis is(More)
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