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Dive into the research topics where Takamasa Nagashima is active.

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Featured researches published by Takamasa Nagashima.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1998

A Case Report of Minute Peripheral Cholangiocellular Carcinoma Associated with HCV Antibody-positive Liver Cirrhosis.

Kiyotaka Kurachi; Takamasa Nagashima; Yasunobu Mizukami; Koji Ikuta; Eiji Chikamatsu; Shuusaku Ohira

症例は67歳の男性. 肝機能障害を指摘され, 精査目的で入院となった. 入院後にC型肝硬変と診断し, 腹部超音波検査で肝右葉後区域に直径20mm, 類円形で内部はiso-hypoechoicな腫瘤を認めた. 腹部単純CTでは低吸収域として描出され, 造影CTでは不整形で内部均一に造影された. 腹腔動脈造影では動脈相より肝右葉後上区域末梢に腫瘍濃染像を認めた. 画像と臨床経過から肝細胞癌が疑われたが, 針生検では胆管細胞癌と診断された. 肝S6部分切除術を施行し, 腫瘍は径15×20mmの乳白色調結節性病変であり, 病理組織学的には中分化型管状腺癌であった. 非腫瘍部は乙型肝硬変であった. 術後16か月経過した現在, 再発なく健在である.一般に胆管細胞癌は典型的な症状や特異的な徴候に乏しく, 早期に診断することは極めて困難である. 末梢型細小胆管細胞癌の本邦報告例は16例であり, 特にC型肝硬変のみに合併した報告例は本例が初例である.


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2000

DUODENAL STENOSIS CAUSED BY RUPTURED ANEURYSM OF THE PANCREATICODUODENAL ARTERY-A CASE REPORT-

Yasunobu Mizukami; Takamasa Nagashima; Koji Ikuta; Masahiko Hasegawa; Norikazu Itoh; Kenichi Yoshizaki


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2003

A CASE OF RUPTURE VARICES OF THE ILEAL VEIN DUE TO PORTAL HYPERTENSION

Kiyoaki Niimi; Kazuhiro Hiramatsu; Yasunobu Mizukami; Masahiko Hasegawa; Hidetaka Shigeta; Takamasa Nagashima


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2000

CLINICOPATHOLOGICAL EVALUATION OF BONE METASTASIS OF GASTRIC CANCER IN 9 CASES

Shusaku Ohira; Takamasa Nagashima; Yasunobu Mizukami; Koji Ikuta; Takato Yagi


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 2004

Esophageal Achalasia Associated with Early Antral Gastric Cancer-A Case Report-

Kazuhiro Hiramatsu; Takamasa Nagashima; Yasunobu Mizukami; Masahiko Hasegawa; Hidetaka Shigeta; Kiyoaki Niimi


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2003

A CASE OF INTRACTABLE PELVIC ABSCESS OCCURRED 10TH YEAR AFTER STAMEY PROCEDURE (BLADDER NECK SUSPENSION)

Hidetaka Shigeta; Takamasa Nagashima; Kazuhiro Hiramatsu; Yasunobu Mizukami; Kiyoaki Niimi


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2003

ABDOMINAL FOREIGN BODY FISH BONE PENETRATED TO THE PREVIOUS WOUND OF APPENDECTOMY -A CASE REPORT-

Kazuhiro Hiramatsu; Takamasa Nagashima; Yasunobu Mizukami; Masahiko Hasegawa; Hidetaka Shigeta; Kouzo Matsushita


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2002

DELAYED BLEEDING FROM ANASTOMOTIC SITE AFTER THE STAPLED FUNCTIONAL END-TO-END ANASTOMOSIS FOR SMALL INTESTINAL RECONSTRUCTION-A CASE REPORT-

Kazuhiro Hiramatsu; Takamasa Nagashima; Yasunobu Mizukami; Masahiko Hasegawa; Yukikazu Ito; Kouzo Matsushita; Kiyoaki Niimi; Hirotaka Watanuki


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 1998

A CASE OF ENDOMETRIOSIS RECTUM ASSOCIATED WITH FAMILIAL POLYPOSIS COLI

Eiji Chikamatsu; Takamasa Nagashima; Yasunobu Minakami; Koji Ikuta; Munehito Yagi; Shusaku Ohira


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 1998

A CASE OF RUPTURED INFECTED THORACOABDOMINAL AORTIC ANEURYSM

Shusaku Ohira; Takamasa Nagashima; Yasunobu Mizukami; Koji Ikuta; Eiji Chikamatsu; Takato Yagi

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