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Dive into the research topics where Naoki Negami is active.

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Featured researches published by Naoki Negami.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 2008

A Case of Benign Bile Duct Stenosis caused by a Clip Two Years after Laparoscopic Cholecystectomy

Makoto Takahashi; Masahiko Satou; Takeshi Ohkubo; Suguru Watabe; Naoki Negami; Yasunori Ishido; Shuji Tamazaki; Tetsuya Saitou

腹腔鏡下胆嚢摘出術 (laparoscopic cholecystectomy; 以下, LC) 後のクリップによる良性胆管狭窄は比較的まれである. 今回, LCの2年後に良性胆管狭窄を来した1例を経験した. 症例は68歳の男性で, 平成17年5月に胆石症でLCを施行. 平成19年5月に褐色尿と体重減少で受診. 黄疸と肝機能障害があり入院. 腹部CTと磁気共鳴膵胆管撮影検査で中部胆管狭窄が認められた. 直接胆管造影検査ではLC時のクリップ近傍で狭窄が認められた. 腫瘍マーカーに上昇はなく, 胆汁細胞診はclass I.以上より, 胆管癌を疑い平成19年6月手術を施行. 狭窄部を含む胆管を切除. 病理組織学的検査ではinflammatory changeであり, 胆管を圧排していた壁外組織中にLC 時のクリップが認められた. 金属クリップの合併症は増加傾向にあり, 今後は吸収性物質を使用するなど, 金属クリップを使わない工夫が重要と思われる.


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2004

A CASE OF THE INVERTED DIVERTICULUM OF THE CECUM ACOMPANIED BY ACUTE APPENDICITIS

Tomoaki Ito; Shuji Tamasaki; Naoki Negami; Masahiko Sato; Takeshi Okubo; Katsujiro Maekawa

症例は52歳,男性.右下腹部痛を主訴に来院.腹部CT検査で,虫垂炎および,腸重積症の診断で同日緊急手術を施行した.虫垂は炎症性に腫大し,また盲腸の漿膜から触れると内部に約4 cm大の弾性硬の腫瘤を触知したため,回盲部切除を施行した.切除標本では,盲腸と虫垂に憩室を認め,盲腸の内腔には1.5×5.0cm大の表面平滑なポリープ状の隆起性病変を認めた.病理組織検査では,この腫瘤は固有筋層の欠落を認めるため反転大腸憩室症と診断された.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 2002

Risk Factors of Ovarian Metastasis from Colorectal Cancer by Using Multivariate Analysis

Yuichi Tomiki; Toshiki Kamano; Yasuhiro Kunii; Tsuyoshi Okada; Shinji Kasamaki; Naoki Negami; Hajime Orita; Shuichi Sakamoto; Kazuhiro Sakamoto; Masahiko Tsurumaru


Juntendo Medical Journal | 2004

Examination of Exfoliated Malignant Cells Collected with Intraluminal Lavage in Anterior Resection

Makoto Nakano; Naoki Negami; Hironobu Sengoku; Sumito Suda; Masanobu Tanaka; Yuichi Tomiki; Kazuhiro Sakamoto; Toshiki Kamano


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2010

A CASE OF FECAL ILEUS CAUSED BY FECAL IMPACTION IN THE INTESTINE AT THE ANAL SIDE OF A FUNCTIONAL END-TO-END ANASTOMOTIC SITE

Naoki Negami; Masahiko Satou; Suguru Watabe; Tetsuya Saitou; Yasunori Ishido; Masaki Yamada


The Japanese Journal of Gastroenterological Surgery | 2009

A Case of Colonic Metastasis that was Considered to be Caused by Stage IA Early Gastric Cancer

Makoto Takahashi; Masahiko Sato; Suguru Watabe; Naoki Negami; Tetsuya Saito; Yasunori Ishido; Shuji Tamazaki; Masaki Yamada


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2007

INTESTINAL OBSTRUCTION CAUSED BY ENDOMETRIOSIS ON THE TERMINAL ILEUM

Yoshiro Ishibiki; Naoki Negami; Toshiaki Kitabatake; Minoru Fujisawa; Masahiko Urao; Kuniaki Kojima; Masanobu Eguchi


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2012

A CASE OF ABERRANT PANCREAS IN THE MESENTERY OF THE SMALL INTESTINE, DETECTED INCIDENTALLY DURING SURGERY FOR COLORECTAL CANCER

Masaki Yamada; Masahiko Satou; Suguru Watabe; Naoki Negami; Tetsuya Saitou; Yasunori Ishido


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2015

A Case of Rectal Cancer with a Lump Kidney in which 3D-CT was Useful

Yasunori Ishido; Masahiko Sato; Haruhiko Okada; Tetsuya Saito; Naoki Negami; Suguru Watabe


Nihon Gekakei Rengo Gakkaishi (journal of Japanese College of Surgeons) | 2015

Gastrocolic Fistula in a Patient Undergoing Proton Therapy for Local Recurrence After Distal Pancreatic Cancer Surgery

Yasunori Ishido; Masahiko Sato; Suguru Watabe; Naoki Negami; Tetsuya Saito; Haruhiko Okada; Masaki Yamada; Yuka Takahashi

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