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Dive into the research topics where Takeyuki Kushima is active.

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Featured researches published by Takeyuki Kushima.


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.


International Journal of Radiation Oncology Biology Physics | 1993

Fundamental study on development of mri simulation system for radiotherapy planning

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


The Journal of JASTRO | 1993

RESULTS OF COMBINATION CHEMO-RADIOTHERAPY FOR NASOPHARYNGEAL CANCER

Saeko Hirota; Toshinori Soejima; Takashi Oshitani; Takeyuki Kushima; Eiji Ueda; Kayoko Obayashi; Yoshiki Takada; Shuji Kimura


International Journal of Radiation Oncology Biology Physics | 1993

Preliminary result of stereotacitc radiosurgery using ct simulation system

Toshiya Sakaguchi; Kazufumi Imanaka; Takeyuki Kushima; Yoshiaki Okamoto; 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


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


International Journal of Radiation Oncology Biology Physics | 1992

Accuracy of ct simulation system in application to stereotactic radiosurgery

Toshiya Sakaguchi; Kazufumi Imanaka; Kazuyuki Yonezawa; Takeyuki Kushima; Michio Kono


International Journal of Radiation Oncology Biology Physics | 1992

Experimental study in the effect of total body hyperthermia and radiotherapy for metastatic lung tumor

Kazuyuki Yonezawa; Yoshiaki Okamoto; Kazufumi Imanaka; Toshiya Sakaguchi; Akihisa Kodama; Takeyuki Kushima; Michio Kono


The Journal of JASTRO | 1991

LIMITING FACTORS OF HYPERTHERMIA FOR DEEP-SEATED TUMORS USING AN ANNULAR PHASED ARRAY SYSTEM (APAS)

Kazuyuki Yonezawa; Kazufumi Imanaka; Toshinori Soejima; Toshiya Sakaguchi; Takeyuki Kushima; Takahisa Hashimura; Michio Kono


Japanese Journal of Hyperthermic Oncology | 1991

Hyperthermia using Annular Phased Array System for the Thoracic Malignant Tumors

Kazuyuki Yonezawa; Kazufumi Imanaka; Takahisa Hashimura; Toshinori Soejima; Toshiya Sakaguchi; Takeyuki Kushima; Michio Kono

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