11/13. Idiopathic ureterolithiasis in a renal transplant patient.Only 9 cases of ureteral stone formation in renal transplant recipients have been reported previously. The majority of these occurred in association with hyperparathyroidism. We herein describe a case in which a ureteral calculus caused partial obstruction within 3 months in a euparathyroid recipient of a living related renal transplant.- - - - - - - - - - ranking = 1keywords = calculus (Clic here for more details about this article) |
12/13. adenocarcinoma of the renal pelvis. A report of two cases.Two cases of intestinal-type adenocarcinoma of the renal pelvis (ARP) in 48- and 63-year-old females are presented. Both had a previous history of urinary obstructive disease, one secondary to staghorn calculus and the other to postirradiation stenosis following treatment for carcinoma of the cervix. Immunohistochemical findings revealed marked positivity to epithelial membrane antigen and focal positivity to cytokeratins and carcinoembryonic antigen. Chronic irritation of the renal pelvis plays an important role in the pathogenesis of ARP. In one of our cases of multicentric origin, the synergistic effect of pelvic irradiation and cyclophosphamide chemotherapy in a patient with a previous squamous cell carcinoma of the cervix, may be responsible for the pathogenesis of the ARP.- - - - - - - - - - ranking = 1keywords = calculus (Clic here for more details about this article) |
13/13. Renal pelvic and ureteral carcinoma with huge hydronephrosis: US, CT, and MR findings.A 78-year-old man presented huge hydronephrosis with a calculus in the left kidney, and underwent left nephroureterectomy under the diagnosis of renal pelvic and ureteral tumor. Histological examination disclosed renal pelvic and ureteral tumors featuring mixed histologic types of carcinoma. Magnetic resonance (MR) imaging was superior to computed tomography (CT) in its complete, detailed demonstration of the renal pelvic lesions. The imaging characteristics of CT, MR imaging, ultrasonography, and retrograde ureterography were discussed in the report.- - - - - - - - - - ranking = 1keywords = calculus (Clic here for more details about this article) |
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