1,720,971 research outputs found

    ["Post-actinic pelvic disease" and the ureter: the post-actinic ureter].

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    A retrospective study was done to analyze late urological complications following curative radiotherapy of primary gynecological carcinomas.From 1990 to 2000, 167 patients with primary gynecological cancer treated with external radiotherapy or intracavitary applications were observed. During the follow-up, all signs, symptoms and therapy of late treatment complications were recorded.Most patients with ureteral stenosis or obstruction required surgical correction. Most patients with bladder fistulas were best served by creation of a cutaneous urinary diversion.Ureteral complications after radiotherapy of the pelvis are rare but severe. Surgical therapy of irradiated tissues has a higher complication rate compared to surgery on non irradiated tissue. A cutaneous urinary diversion may be an acceptable and safe procedure when the bladder is definitely compromised

    [Structure, physiology and physiopathology of the ureter].

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    The function of the ureter is to transport urine from the renal pelvis toward the bladder and to protect the renal parenchyma from distally generated backflow and back pressure. The ureter manifests peristaltic activity and can adapt its mechanical characteristics to diuresis amount. The changes in ureteral function resulting from obstruction are dependent on the degree and duration of obstruction. Even the rate of urine flow, the mechanical and anatomic properties of the ureter, the nature of disease process and the age of the patient influence the response of the ureter to obstruction. It is the purpose of this report to correlate the anatomic and physiologic properties of the ureter with normal and pathologic clinical situations

    [Ureteral complications in the treatment of gynecologic diseases].

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    Ureteral injuries are an uncommon complication after gynecological procedures. The Authors consider separately direct lesions during surgery and those following radiotherapy. For both these situations preventive criteria, which permit a lower incidence in ureteral injuries, are considered. Early diagnosis and intraoperative repair are the most important tool for surgical lesions while the exact stage of neoplasm and N.E.D. status are fundamental for lesions resulting from radiation therapy. In our opinion, best treatment of stable lesions is surgery, while endourology is not usually a definitive treatment and has only a temporary and palliative role
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