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Dive into the research topics where Tadayuki Sakamoto is active.

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Featured researches published by Tadayuki Sakamoto.


Journal of Japan Society for Oral Tumors | 1996

Significance of combined neoadjuvant chemotherapy on oral cancer. 1. The clinical effects of cisplatin-vinblastine-peplomycin(CVP) combination chemotherapy included in two route administration and its prognostic significance.

Takeshi Wada; Sachiko Hata; Nobuo Morita; Tetsuji Oomata; Hiroki Inbe; Keiichirou Okamoto; Jun Matsuhira; Yuka Buyo; Shigeki Shinnoki; Kazuyuki Miyata; Tadayuki Sakamoto; Toshihiro Kawashima; Syoji Yuasa; Masakazu Harada; Takuya Sakagami; Toshiko Samukawa

未治療の口腔, 上顎洞, 口峡咽頭原発の扁平上皮癌患者35名に対し, シスプラチンとその拮抗剤であるチオ硫酸ナトリウムを用いた2経路注入法とビンブラスチンとペプロマイシンの静脈内投与から成るネオアジュバント化学療法を施行し, その治療効果について検討した。化学療法の奏効率は91.4%で, CR率は57.1%であった。非担癌他病死例を除外すると, 累積5年生存率はCR群では100%であり, PR+NC群では87.5%であった。本化学療法は適正な支持療法を行うことにより, 短期間で遂行することが可能である。20名のCR患者の内12名に縮小手術が施されたが, 全ての患者が非担癌で良好な口腟機能を保持している。これらのデータは, この化学療法のレジメンが頭頸部癌の治療により効果的であることを示している。この結果はまだ予備的なものであり, さらに症例を加えて検討する必要がある。


Japanese Journal of Oral & Maxillofacial Surgery | 1995

A case of a recurrent mucoepidermoid tumor of the left retromolar triangle with multiple metastasis

Toshihiro Kawashima; Takeshi Wada; Nobuo Morita; Kazuyuki Miyata; Shoji Yuasa; Tadayuki Sakamoto

A case of a recurrent mucoepidermoid tumor of the left retromolar triangle with multiple metastasis is reported.A 66-year-old man came to the outpatient clinic of our hospital with a complaint of trismus. He had undergone irradiation and resection of a tumor on the left retromolar pad region 24 years ago. There had been no signs of tumor recurrence for 24 years.CT scans showed a high density area in the left infratemporal fossa. He was treated by segmental mandibulectomy and resection of the tumor. Histological examination of the resected specimen revealed that it was similar to the first lesion removed 24 years ago. About 1 year later, the tumor recurred and progressed to general metastasis, followed by death.Although this tumor was a well differentiated type mucoepidermoid tumor, recurrence and general metastasis occurred 24 years after primary treatment.This experience, indicates that patients with even low grade mucoepidermoid tumors should be followedup over the long term.


Journal of Periodontology | 1992

INTRAPOCKET CHEMOTHERAPY IN ADULT PERIODONTITIS USING A NEW CONTROLLED-RELEASE INSERT CONTAINING OFLOXACIN (PT-01)

Hiroshi Yamagami; Akira Takamori; Tadayuki Sakamoto; Hiroshi Okada


International Journal of Oral Surgery | 1975

Analysis of 102 lesions diagnosed as "palatal tumor" in a spot diagnosis.

Masahito Sugimura; Tadayuki Sakamoto; Masahiro Tsubakimoto; Masahiko Mori; Kensaku Kawakatsu


Japanese Journal of Oral & Maxillofacial Surgery | 1993

Establishment and characterization of a cell line (Sa3) from squamous cell carcinoma of the human gingiva

Masakazu Harada; Kazuyuki Miyata; Takeshi Wada; Tetsuji Ohmata; Nobuo Morita; Tadayuki Sakamoto


Japanese Journal of Oral & Maxillofacial Surgery | 1988

An analysis of odontogenic keratocysts occurred in our department for the last eighteen years

Masakazu Harada; Manabu Yamamoto; 和田 健; Shigeki Shinnoki; Osami Akira; Masuhiko Sumiyoshi; Sokan Ko; Nobuo Morita; Tadayuki Sakamoto


Japanese Journal of Oral & Maxillofacial Surgery | 1997

Intra-arterial infusion therapy with urokinase and antibacterial agents for diffuse sclerosing osteomyelitis of the mandible

Takeshi Wada; Sachiko Hata; Tetsuji Oomata; Hiroki Inbe; Keiichirou Okamoto; Kazuyuki Miyata; Nobuo Morita; Tadayuki Sakamoto


Journal of Japan Society for Oral Tumors | 1996

Clinicopathological study on ameloblastoma.

Tetsuji Oomata; Nobuo Morita; Takeshi Wada; Kazuyuki Miyata; Yuka Buyo; Sachiko Hata; Tadayuki Sakamoto


Japanese Journal of Oral & Maxillofacial Surgery | 1996

A case of osseous choristoma near the foramen caecum of the tongue

Yasuhiro Nakanishi; Tetsuji Oomata; Nobuo Morita; Takeshi Wada; Hiroki Inbe; Tadayuki Sakamoto


Journal of Japan Society for Oral Tumors | 1993

Clinical and histological assessment of neo-adjuvant chemotherapy including CDDP for oral cancer. 1. Possibility of a reductive excision in CR cases.

Takeshi Wada; Masakazu Harada; Nobuo Morita; Kazuyuki Miyata; Tadayuki Sakamoto

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Nobuo Morita

Wakayama Medical University

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Takeshi Wada

Wakayama Medical University

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Shigeki Shinnoki

Wakayama Medical University

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Shin-ichi Kita

Asahikawa Medical College

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Isoo Noguchi

National Defense Medical College

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