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Dive into the research topics where Kazuyuki Yonezawa is active.

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Featured researches published by Kazuyuki Yonezawa.


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 | 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


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


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


International Journal of Radiation Oncology Biology Physics | 1991

Evaluation for clinical usefulness of CT simulation system in radiotherapy planning for lung cancer patients

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


International Journal of Radiation Oncology Biology Physics | 1991

Posttreatment evaluation of MRI for head and neck malignant lymphoma

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

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Chieko Mieda

Kawasaki Medical School

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