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Á¤¿ë±¸/Yong Gu Chung Á¤Ã¶¿ë/ÃÖ¸í¼±/À̱âÂù/ÀÌÈÆ°©/Chul Yong Kim/Myung Sun Choi/Ki Chan Lee/Hoon Kap Lee

Abstract

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Intraoperative Radiation Therapy(IORT) delivers a high single dose of radiation to a
localized volume encompassing the tumor tissue as well as a minimal amount to the
surrounding brain. The aims of the study are to evaluate the feasibility of IORT for the
treatment of brain tumors, its effect on survival. anti possible complications. Nineteen
brain tumor patients underwent wide resection of the tumor followed by IORT at the
first surgery or at the second salvage surgery IORT was given for primary tumors in
two patients, but was used for treating recurrent tumors in the other 17 patients, IORT
doses of 15-25Gy was delivered depending on the tumor volume and previous radiation
therapy. The moan follow-up after IORT was 11.5 months(range : 1-40 months). There
were several complications after IORT ; 1 radiation necrosis, 1 hydrocephalus, and 3
wound infections. For Glioblastomas cases. the median survival time after initial
diagnosis was 14 months(SD. 6.4mo ; range 10-28mo). An Unresectable huge highly
vascularized meningioma was removed successfully after IORT Based on our limited
experiences, IORT may be considered as an adjuvant therapeutic modality. especially for
malignant brain tumors and large rich vascularized meningioma.

Å°¿öµå

IORT; ³úÁ¾¾ç; IORT; Brain tumors; Complications;

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