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Book 4 - Self Instructional Manual for Cancer Registrars - SEER ...

Book 4 - Self Instructional Manual for Cancer Registrars - SEER ...

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UretersEach kidney is connected to the urinary bladder by a ureter. These muscular tubes are about 26to 28 cm in length, beginning at the renal pelvis. They transport urine from the kidney to the bladder.The microscopic structure of the ureter is similar to that of the renal pelvis consisting of a mucosaof epithelium and lamina propria, a submucosa, a muscularis propria, and an outer adventitia offibroelastic connective tissue.RegionalLymph NodesThe regional lymph node drainage <strong>for</strong> the ureters is to the:PeriureteralRenal hilarCommon iliacInternal iliac (hypogastric)External iliacParacavalMalignant TumorsPrimary cancer of the ureter is rare. When cancer does occur, it is usually transitional cellcarcinoma, resembling cancer of the renal pelvis; it often presents as an ureteral obstruction.257

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