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PURPOSE We retrospectively evaluated endoscopic findings in 165 patients with impacted ureteral stones to determine the incidence of associated ureteral lesions and predisposing factors for such lesions. MATERIALS AND METHODS From July 1993 to March 2003 we performed retrograde endoscopic treatment in 165 patients with ureteral stones that had been(More)
BACKGROUND In Japan, bacillus Calmette-Guerin (BCG: Tokyo 172 strain) instillation is generally performed at a dose of 80 mg once weekly for eight consecutive weeks; however, many adverse effects including severe ones have been reported. We employed a dose of 40 mg once a week for six consecutive weeks in principle for carcinoma in situ (CIS) of the(More)
A 59-year-old woman who identified as a Jehovah's Witness was diagnosed with pheochromocytoma in the left adrenal gland, measuring 11 cm in diameter, during treatment for hypertension. Given her desire to undergo transfusion-less surgery for religious reasons, we obtained fully informed consent and had the patient sign both a transfusion refusal and(More)
PURPOSE We retrospectively analyzed the preoperative clinical parameters which influence operative time and intraoperative maximum systolic blood pressure in patients undergoing laparoscopic adrenalectomy for pheochromocytoma. MATERIALS AND METHODS Between January 1992 and September 2010, we performed 28 laparoscopic adrenalectomies for pheochromocytoma(More)
Chromophobe cell renal carcinoma is an uncommon type of renal cell carcinoma, and the number of reported cases in Japan is small. The ultrasonographic (US) features of this rare tumor are not defined. We reviewed the imaging findings of four pathologically proven chromophobe cell renal carcinomas. US, color Doppler US (DUS), computed tomography (CT) and(More)
A 53-year-old woman presented to our hospital with a non-metastatic 4 cm renal mass in the right kidney. The patient rejected treatment, but consented to follow-up observation of her condition. The patient underwent a series of computed tomography scans to monitor the progression of the disease. We were able to observe not only an increase in renal mass(More)
Concomitant cyclosporine interacts with mycophenolic acid (MPA) through inhibition of the biliary excretion of its glucuronide (MPAG). The aim of this study was to evaluate the influence of calcineurin inhibitors on the plasma disposition and urinary excretion of MPA and MPAG in kidney transplant recipients. Twelve recipients treated with tacrolimus and 18(More)