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Featured researches published by Hajime Iizawa.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1986

Clinical evaluation of porto-systemic collaterals in patients with portal hypertension.

Shuichi Ishiyama; Nobuo Seo; Akira Fuse; Shigeru Katagiri; Hajime Iizawa; Hiroshi Kawamura; Jin-ichi Kameyama; Masaru Tsukamoto

門脈圧亢進症66例の側副血行路について検討した.遠肝性側副血行路のうち左胃静脈の発生頻度が最も高く, 次いで短胃, 脾-後腹膜, 下腸間膜, 傍臍, 脾-腎静脈の順であった.左胃静脈の直径が大きいと静脈瘤の程度も高度であったが, 門脈圧や有効肝血流量との間には相関がなかった.食道静脈瘤の形成に関与しない側副血行路が太くなると門脈圧は低下する傾向があり, 有効肝血流量は有意に低下した.これらの側副血行路の直径の和が10mm以上の症例で食道静脈瘤からの吐血歴があるものはなかったが, 猪瀬型肝性脳症を示すものがあった.門脈圧亢進症の治療においては側副血行路の状態を十分把握する必要があると考えられた.


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2009

A CASE REPORT OF ADENOENDOCRINE CELL CARCINOMA OF THE EXTRAHEPATIC BILE DUCT

Naoki Sakurai; Hajime Iizawa; Gen Tamura


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2014

A Case of Carcinosarcoma of the Duodenal Papilla

Takaaki Araki; Kuniharu Yamamoto; Naoki Mori; Naoki Sakurai; Hajime Iizawa; Gen Tamura


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 2018

Progressive Pancreatic Cancer Presenting with Splenic Vein Endothelial Replacement

Ryosuke Yamaga; Naoki Sakurai; Naoki Mori; Hajime Iizawa; Nakao Shirahata; Shinya Ogata


The Japanese Journal of Gastroenterological Surgery | 2017

Unruptured Multiple Intrahepatic Aneurysms Caused by Segmental Arterial Mediolysis That Disappeared Spontaneously

Naoki Mori; Naoki Sakurai; Hajime Iizawa; Shinya Ogata


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2017

A Case of Gastric Cancer with an Adachi Type V Vascular Anomaly

Koshiro Ishiyama; Takashi Nomura; Norimasa Fukushima; Hajime Iizawa


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2013

A case report of disseminated peritoneal leiomyomatosis

Naoki Sakurai; Kuniharu Yamamoto; Hajime Iizawa; Naoki Yanagawa; Gen Tamura


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2011

A case of a schwannoma occurred in the hepatic portal region

Hiroshi Yabuki; Naoki Sakurai; Naoki Mori; Kuniharu Yamamoto; Hajime Iizawa; Mitsumasa Osakabe; Gen Tamura


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 2005

Evaluation of Pylorus Preserving Gastrectomy Compared with Conventional Distal Gastrectomy

Takashi Nomura; Norimasa Fukushima; Naoki Takasu; Hajime Iizawa; Hisashi Shibuma; Eiichi Ikeda


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 1994

A CASE OF ESOPHAGO-BRONCHIAL FISTULA WITH ESOPHAGEAL DIVERTICULUM

Hiroshi Kawamura; Hajime Iizawa; Yasuyuki Suzuki; Seishi Kimura; Jin-ichi Kameyama; Masaru Tsukamoto

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