Kiyotsugu Hoshi

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In April 2003, a 59-year-old woman suffering from renal cell carcinoma (RCC) underwent radical nephrectomy (Stage I). In October 2004, bilateral lower lobe lung tumors were resected with thoracoscopic assistance. Histologically, resected specimens were diagnosed as metastases from RCC. However, 2 months later,lung and abdominal lymph node metastases were(More)
We report a case of primary undifferentiated bladder carcinoma, which revealed a remarkable response to methotrexate, vinblastine, adriamycin, and cisplatin (MVAC) therapy. A 46-year-old Japanese woman presented at the hospital with the chief complaints of gross hematuria and pain during urination. Cystoscopy revealed a large smooth-surfaced tumor in the(More)
In recent years, abiraterone acetate (AA) and enzalutamide (EZL) have become available for the treatment of cancer. Prior clinical trials have demonstrated the benefits of these agents in males with castration-resistant prostate cancer (CRPC). The optimal sequencing of available therapies in the context of efficacy and known cross-resistance remains(More)
We describe the effective use of the bipolar vessel-sealing device: LigaSure for the division of the internal spermatic vessels in a laparoscopic varicocelectomy. A total of 52 males with varicocele (left-side n = 49, and bilateral n = 3) were included in this study. Blunt dissection was used to isolate the packet of spermatic vessels. The packet of(More)
We report a case of a patient with a fistula between left ureter and abdominal aorta. The patient was a 84-year-old male who had undergone total cystectomy with a single stoma cutaneous ureterostomy for the treatment of transitional cell carcinoma of the bladder. His postoperative course was complicated by stenosis of the stomal orifices, which was treated(More)
We report three cases of inverted papilloma of the urinary bladder. Case 1. A 19-year-old male complained of pollakisuria, gross hematuria and micturition pain. Cystoscopy revealed a smooth-surfaced tumor on a stalk at the bladder neck. The tumor was removed transurethrally. Histological diagnosis was inverted papilloma. As a safe guard, intravesical(More)
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