Ryuichi Chiba
Iwate Medical University
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Featured researches published by Ryuichi Chiba.
Urologia Internationalis | 1991
Yoko Kubota; Nobuhisa Ishii; Hiroyuki Watanabe; Chiaki Irisawa; Teruhiro Nakada; Ryuichi Chiba; Tomoaki Fujioka
From 1979 to 1983, surgical reconstruction of the buried penis was performed on 16 boys. They have been followed up for at least 5 years. In 15 boys, satisfactory appearance of the penis was gotten after the operation. In this paper, we introduced our surgical technique and reviewed the records.
Urologia Internationalis | 1987
Tomoaki Fujioka; Hiroyuki Koike; Hikaru Aoki; Tsutomu Ohhori; Ryuichi Chiba; Shigehiro Okamoto
Staging pelvic lymphadenectomy in 31 cases in stages A2-C prostatic cancer was performed. In 15 of the cases (48%) lymph node invasion was found. Metastatic tendency strengthened with an increase in Gleason scores, although no metastases were found in 38% of the cases with Gleason scores of 8-10. Percutaneous fine-needle aspiration biopsy guided by lymphography was conducted in 14 cases and 17% were false-negative. Lymph node metastases were found in the common iliac lymph nodes in 47%, external iliac lymph nodes in 67% and internal iliac obturator lymph nodes in 100%. Prolonged lymph drainage in 4 cases (13%) and wound infection in 2 cases (3%) were found as postoperative complications, but they were all treated conservatively. So it was concluded that pelvic lymphadenectomy was a reasonable adjunct to total prostatectomy since it provided an accurate assessment of the anatomic distribution of disease, which could be of help in selecting treatment. Dissection of the lymph nodes of the internal iliac obturator was considered quite sufficient to establish the presence of any lymph node metastases.
The Japanese Journal of Urology | 1986
Nobuhisa Ishii; Hiroyuki Watanabe; Chiaki Irisawa; Yoshihiro Kikuchi; Syunzoh Kawamura; Kiichi Suzuki; Ryuichi Chiba; Michio Tokiwa; Masafumi Shirai
The Japanese Journal of Urology | 1983
Ryosuke Nemoto; Hisashi Mori; Ryoetsu Abe; Tetsuro Kato; Masaoki Harada; Kohji Ishida; Ryuichi Chiba; Masaaki Shindo; Hiroaki Kato
The Japanese Journal of Urology | 1983
Nobuhisa Ishii; Tomoaki Fujioka; Ryuichi Chiba; Michio Tokiwa; Masafumi Shirai
The Japanese Journal of Urology | 1983
Nobuhisa Ishii; Tomoaki Fujioka; Shindoh M; Koguchi M; Majima H; Suzuki N; Kanetoh H; Ryuichi Chiba; Tokima M; Shirai M
The Japanese Journal of Urology | 1994
Takanori Hayashi; Jun Mouri; Seiichi Kurosu; Ryuichi Chiba; Takashi Yokota; Somu Yamaguchi
The Japanese Journal of Urology | 1988
Kazunari Sato; Tetsuro Kato; Masatsugu Moriyama; Ryoetsu Abe; Seigi Tsuchida; Ryuichi Chiba
The Japanese Journal of Urology | 1988
Tetsuro Kato; Kazunari Sato; Ryoetu Abe; Masatsugu Moriyama; Seigi Tsuchida; Ryuichi Chiba; Shuhei Sasaki; Shigeki Matsuo
The Japanese Journal of Urology | 1984
Nobuhisa Ishii; Tomoaki Fujioka; Masaaki Shindoh; Masahide Koguchi; Ryuichiroh Konda; Ikuo Maehara; Ryuichi Chiba; Juhroh Kamei; Michio Tokiwa