Ryo Iguchi

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PURPOSE We investigated whether addition of amikacin to levofloxacin-based antimicrobial prophylaxis reduces febrile urinary tract infections after transrectal ultrasound-guided prostate needle biopsy (TRUSB). MATERIALS AND METHODS A total of 447 patients undergoing TRUSB were prospectively randomized into two groups. The 230 patients in Group A were(More)
This paper proposes a new edge-based authentication scheme for network coding. Many authentication schemes for random linear network coding have been proposed against pollution attacks. However, random linear network coding is vulnerable to entropy attacks. An adversary can generate messages that are verified as correct messages by the authentication(More)
A 67-year old man was diagnosed with advanced prostate cancer with multiple pelvic lymph nodes and multiple bone metastases (cT2N1M1b), with an initial prostate specific antigen of 1,300 ng/ml. Prostate biopsy specimens revealed poorly differentiated adenocarcinoma, Gleason's score 5+3. He was treated with maximal androgen blockade (MAB) from 2001, but(More)
A 32-year-old man was referred to our hospital for evaluation of bilateral renal tumors 8 cm each in diameter. His cousin also had a renal tumor, and she had been genetically diagnosed as von Hippel-Lindau (VHL) disease. Bilateral nephron-sparing surgery was performed in separate stages under clinical diagnosis of renal cell carcinoma and VHL disease.(More)
A Leydig cell tumor is a rare disease entity occurring in the testis. Occasionally it is considered to be related to male infertility. We report a case study of a Leydig cell tumor in a single testis presenting as male infertility. A 38-year-old male was referred to our hospital because of a tumor in his right testis. He had undergone left orchiectomy at(More)
A 67-year-old man was referred to our hospital for evaluation of large urinary-diversion calculus. He had undergone urinary diversion for invasive bladder cancer with an Indiana pouch, when he was 52 years old. We performed the surgery using a laparoscopic trocar and an entrapment bag, for reducing the risk of bladder damage by the lithoclast and small(More)
We evaluated the relationship between the type of suture and occurrence of anastomotic stricture after radical retropubic prostatectomy (RRP). From April 2005 to February 2008, 48 RRP were performed. In the former 24 cases, 2-0 absorbable braided sutures were used (group A), and in the latter 24 cases, 3-0 absorbable monofilament sutures were used (group B)(More)
A 75-year-old man was admitted to our hospital with liver dysfunction and elevated C-reactive protein level. He was diagnosed with renal tumor by ultrasonography. Computed tomography revealed a renal cell carcinoma (cT3aN0M0) with Stauffer syndrome. Laparoscopic radical nephrectomy was performed. Histological findings indicated clear cell carcinoma with a(More)
Cholesterol crystal embolization (CCE) is a cardiovascular disorder with poor prognosis, causing multiple organ failure. The primary pathological condition of the disease is embolization of cholesterol crystals in peripheral vessels. We report a case of CCE following urinary diversion. The patient is a 82-year-old male with history of hypertention,(More)
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