Schwartz J M, Bosniak M A, Hulnick D H, Megibow A J
Department of Radiology, New York University Medical Center, NY 10016.
Urol Radiol. 1988;9(4):204-9. doi: 10.1007/BF02932666.
The computed tomographic (CT) appearance of 5 cases of primary malignancy of the renal pelvis causing ureteropelvic junction (UPJ) obstruction is presented. The tumors appeared as enhancing thickened, nodular, and crescentic masses at the UPJ. Comparison is made to the thin, regular wall of the hydronephrotic pelvis caused by congenital UPJ obstruction. Differentiation from other causes of UPJ obstruction by CT is discussed. A CT scan is particularly valuable when the cause of UPJ obstruction remains elusive after urography and pyelography.
本文介绍了5例导致肾盂输尿管连接部（UPJ）梗阻的肾盂原发性恶性肿瘤的计算机断层扫描（CT）表现。肿瘤表现为UPJ处强化增厚的结节状和新月形肿块。并与先天性UPJ梗阻所致肾积水肾盂的薄壁、规则壁进行了比较。讨论了通过CT与UPJ梗阻的其他原因进行鉴别。当静脉肾盂造影和肾盂造影后UPJ梗阻的原因仍不明确时，CT扫描特别有价值。
