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  • Title: [Primary megaureter which showed aplasia of the muscle bundles on all dilated portions: a case report].
    Author: Nakatake N, Osawa O, Shintani H, Komatz Y.
    Journal: Hinyokika Kiyo; 1991 Jun; 37(6):629-32. PubMed ID: 1892013.
    Abstract:
    A case of primary megaureter in a 59-year-old man which might shed light on the etiology and pathology is described. Intravenous urography and the computed tomography showed a left marked hydro-nephro-ureter which compressed the bladder and right ureter. In the left ureter, dilated portions stretched beyond dilated portions; that is, five non-dilated portions lay among four dilated portions. On histological examination of this specimen, all dilated portions showed aplasia of muscle in which muscle bundles were not observed, while all non-dilated portions including ureterovesical junction showed normal muscle layers. A case presentation and brief review of the literature were made.
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