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J Korean Soc Ther Radiol > Volume 6(2); 1988 > Article
Journal of the Korean Society for Therapeutic Radiology 1988;6(2): 269-276.
Stereotactic Radiotherapy by 6MV Linear Accelerator
Yoon Kyeong Oho, Mi Hee Kim, Hak Jun Gil, Sei Chul Yoon, Jae Moon Lee, Kyu Ho Choi, Kyung Sub Shinn, Yong Whee Bahk, Moon Chan Kim, Joon Ki Kang, Jin Un Song
1Division of Radiation Therapy, Kang-Nam St. Mary's Hospital, Chatholic University Medical College, Seoul, Korea.
2Department of Radiology, Kang-Nam St. Mary's Hospital, Chatholic University Medical College, Seoul, Korea.
3Department of Neurosurgery, Kang-Nam St. Mary's Hospital, Chatholic University Medical College, Seoul, Korea.
ABSTRACT
Eight patients with intracranial tumors or arteriovenous malformation (AVM)s which were less than 3 cm in diameter were treated by a technique of stereotactic radiotherapy during the 4 months period from July 1988 through October 1988 at the Division of Radiation Therapy, Kang-Nam St. Mary's Hospital, Catholic University Medical College. The patients were diagnosed as AVMs in 3 cases, acoustic neurinoma, craniopharyngioma (recurrent), hemangioblastoma, pineocytoma, and pituitary microadenoma in each case. There are several important factors in this procedure, such as localization system, portal, field size, radiation dose, and perioperative supportive care. It is suggested that stereotactic radiotherapy may be performed safely with a radiation dose of 12-30 gy. So this noninvasive procedure can be used to treat unresectable intracranial tumors or AVMs. Of these, clinical symptoms had been regressed in AVMs in 2 cases at 3 months and 2 months after Stereotactic radiotherapy, one of whom was confirmed slightly regressed on the follow-up angiogram. And also craniopharyngioma and pineocytoma was minimally regressed on 3 month follow-up CT.
Key Words: Intracranial tumors, Arteriovenous malformation, Linear accelerator, Stereotactic radiotherapy
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