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Featured researches published by Tsuyoshi Tsukamoto.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1997

A Clinical Study on the Significance of CEA Levels in Gallbladder Bile from Patients with Colorectal Cancer.

Takanori Shimura; Masaru Suzuki; Tsuyoshi Tsukamoto; Masao Sanada; Masaru Miyazaki; Akira Togawa

胆嚢胆汁CEAが大腸癌の潜在性肝転移の予知に有用であると報告されているが, その追跡調査や胆汁CEA上昇の機序に関しては不明である.今回これらの点に注目して大腸癌症例における胆汁CEA測定の意義について検討した.大腸癌肝転移例の胆汁CEA値は1, 182.9±1,624.7ng/mlで, 肝転移のない症例34.8±69.9ng/mlに比べて有意に高値であった.肝転移のない症例の追跡調査の結果, 初回手術時の胆汁CEA値が60ng/ml以上の症例は肝転移再発が有意に高かった (42.9%vs8%, p<0.05).肝転移巣のCEA染色能と胆汁CEA値の間には強い相関が認められた.以上より, 胆嚢胆汁CEA値は肝転移を強く反映し, 60ng/ml以上は潜在性肝転移再発の高危険群と思われた.さらに, 肝転移例における胆汁CEA値の上昇は肝転移巣より分泌されるCEAが強く影響していることが推測された.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1992

A Case of Hepatocellular Carcinoma Presenting Obstructive Jaundice as a Result of Growing into the Bile Duct.

Takanori Shimura; Masaru Suzuki; Tsuyoshi Tsukamoto; Masao Sanada; Kenji Mogi; Satoshi Nozawa; Masao Hirata; Akio Konno

胆管内発育にて閉塞性黄疸を呈し術前, 胆管細胞癌との鑑別が困難であった肝細胞癌の1切除例を経験したので報告する.症例は43歳の男性, 背部痛を主訴に来院した. 腹部超音波およびcomputed tomography検査にて肝左葉に径6cmの腫瘤とその周囲胆管の限局性拡張を認めた. 入院後, 次第に黄疸が増強し, percutaneous transhepatic cholangiographyを施行し左肝管から総胆管までおよぶ辺縁平滑な大きな透亮像を認めた. 以上より胆管細胞癌の疑いにて尾状葉合併肝左葉切除兼胆管切除を施行した. 腫瘍は外側区域中心に存在し, そこから連続性に腫瘍栓が左肝管と総胆管まで延びていた. 組織学的にはEdmondson II型の肝細胞癌であった.患者は現在再発の兆候なく外来通院中である.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 2007

Two Resected Cases of Multiple Pancreatic Metastasis from Renal Cell Carcinoma

Masanari Matsumoto; Kimihiko Kusashio; Tsuyoshi Tsukamoto; Masaki Oshida; Jyun Yasutomi; Takahiro Kasagawa; Satosi Fukutomi; Masaru Suzuki; Katashi Fukao; Masaru Miyazaki


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1992

A Case of Primary Malignant Lymphoma of the Spleen Associated with Hepatocellular Carcinoma.

Akira Togawa; Takanori Shimura; Masaru Suzuki; Tsuyoshi Tsukamoto; Masao Sanada; Atsushi Kato; Masao Hirata; Akio Konno


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 1993

A CLINICAL STUDY ON FATTY CHANGE IN THE LIVER BEFORE AND AFTER SURGERY IN PATIENTS WITH BREAST CANCER

Takanori Shimura; Masaru Suzuki; Tsuyoshi Tsukamoto; Masao Sanada; Toshio Ohmori; Chiaki Ichikawa; Toshikazu Yusa


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 1992

A CASE OF PRIMARY MALIGNANT LYMPHOMA OF THE BREAST PREOPERATIVELY DIAGNOSED BY ASPIRATION BIOPSY CYTOLOGY

Akira Togawa; Masaru Suzuki; Tsuyoshi Tsukamoto; Takanori Shimura; Masao Sanada; Atsushi Kato; Masao Hirata


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 1992

A CASE OF RETROPERITONEAL ABSCESS DUE TO PENETRATION OF DUODENUM BY AN INGESTED FISH BONE

Masao Sanada; Masaru Suzuki; Tsuyoshi Tsukamoto; Takanori Shimura; Akira Togawa; Atsushi Katoh; Masaob Hirata


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 1992

A CASE OF GIANT MALIGNANT LYMPHOMA OF THE ASCENDING COLON

Takanori Shimura; Masaru Suzuki; Tsuyoshi Tsukamoto; Masao Sanada; Akira Togawa; Atsushi Katoh; Masao Hirata


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 1992

TWO YOUNG PATIENTS WITH CHLAMYDIAL PERITONITIS PRESENTING WITH ACUTE ABDOMEN

Masao Sanada; Masaru Suzuki; Tsuyoshi Tsukamoto; Takanori Shimura; Yoshihisa Ohtsubo; Masao Hirata


The Journal of the Japanese Society of Clinical Cytology | 1991

A study of nuclear DNA content and its ploidy patterns of gastric cancers.

Tsuyoshi Tsukamoto; Etsuo Horinaka; Masaru Suzuki; Katsuji Okui

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