Takahisa Hashimura | Researchain

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Featured researches published by Takahisa Hashimura.

International Journal of Radiation Oncology Biology Physics | 1991

Histopathological study of the esophageal injury induced by high-dose-rate intracavitary irradiation

Toshinori Soejima; Takeyuki Kushima; Akihisa Kodama; Toshiya Sakaguchi; Kazuyuki Yonezawa; Takahisa Hashimura; Kazufumi Imanaka; Sako M; Michio Kono

The histopathological responses of the rabbit esophagus to high-dose-rate intracavitary irradiation were investigated. After 5, 10 or 15 Gy irradiation using a remote afterloading system, the rabbits were sacrificed on different occasions. The esophagus was excised from each animal and examined histopathologically. Esophageal ulcer was observed 7 to 28 days after the irradiation of the highest dose. Edema and cell infiltration in the lamina propria proceeded mucosal changes like ulcer. Chronic injuries such as mucosal necrosis were seen at 6 months.

Haigan | 1989

Results of treatment for brain metastases from lung cancer.

Kiminori Fujimoto; Saeko Hirota; Takahisa Hashimura; Masao Murakami; Shuji Adachi; Michio Kono; Noboru Ishii; Kazuo Nakamura; Takashi Kokunai; Satoru Matsumoto

肺癌脳転移症例50例を非小細胞肺癌と小細胞肺癌に大別し50%生存期間をもって予後を検討した.非小細胞肺癌のうち, 脳転移巣摘出術施行例は45週, 原発巣も治癒切除された9例は68週, 30Gy以上の全脳照射のみで治療された症例は35週であった. 非小細胞肺癌では全脳照射の施行された症例1ま51週であった. 非小細胞肺癌では特に原発巣が寛解している例での脳転移巣摘出術の有用性, 小細胞肺癌では30Gy以上の全脳照射の有用性が示唆された.

Haigan | 1990

Clinical evaluation of silent brain metastasis in lung cancer patients.

Chieko Mieda; Shuji Adachi; Kazufumi Imanaka; Tadafumi Shimizu; Takahisa Hashimura; Kazuyuki Yonezawa; Toshinori Soejima; Michio Kono

International Journal of Radiation Oncology Biology Physics | 1993

Effect of coenzyme ql o and azelastine on protecting radiation pneumonitis in patients with lung cancer

Kazufumi Imanaka; Toshiya Sakaguchi; Takeyuki Kushima; Yoshiaki Okamoto; Takahisa Hashimura; Michio Kono

Haigan | 1993

Re-evaluation of Therapeutic Effect of Combined Radiotherapy and Chemotherapy in a Complete Response Case.

Chiaki Wada; Kazuhumi Imanaka; Takahisa Hashimura; Kazuyuki Yonezawa; Toshiya Sakaguchi; Syuji Adachi; Michio Kono

The Journal of JASTRO | 1992

SEQUENTIAL RADIOTHERAPY AFTER INDUCTION CHEMOTHERAPY FOR LIMITED SMALL CELL LUNG CANCER

Takahisa Hashimura; Takeyuki Kushima; Akihisa Kodama; Toshiya Sakaguchi; Toshinori Soejima; Kazuyuki Yonezawa; Kazufumi Imanaka; Michio Kono; Kayoko Obayashi; Yoshiki Takada

The Journal of JASTRO | 1991