신우 및 요관이행상피종양에서 전산화단층촬영술의 의의
The Diagnostic Usefulness of Computed Tomgraphy of Transitional Cell Carcinoma of the Renal Pelvis and Urter
소속 상세정보
정석영
백용기/조대행/신명식/조용현/박용현
KMID : 0358319950360030267
Abstract
We evaluated the usefulness of preoperative computed tomography (CT) in 26 patients with transitional cell carcinoma (TCC) of the renal pelvis or ureter. Also we had comparative analysis between CT and coventional urography in diagnosis.
The conventional imaging methods such as excretory urography and retrograde pyelography are helpful in localizing the lesions but usually cannot detect extension into the peripelvic and/or periureteral fat or metastasis to the lymph nodes.
Of 17 patients who were thought localized by CT, 16 were localized in the mucosa or muslce layer and 1 was invasive to periureteral or peripelvic tissue pathologically. Of 8 patients who were thought invasive to periureteral or peripelvic tissue
by
CT,
5 were identical and 3 were metastatic to lymph nodes pathologically.
In conclusion, preoperative CT is thought to be useful tool for the diagnosis and staging in TCC of the pelvis or ureter and the sensitivity and specificity of CT were higher in localized diseases than in advanced disease.
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