사이버나이프 조사 후 발생한 급성 위 및 십이지장 손상 1예
A Case of Acute Injury in the Stomach and Duodenum after Cyberknife Therapy
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치료 방사선 기술이 발전함에 따라 방사사선을 오랜 기간 여러 차례로 나누어 주는 기존 치료에서 고용량의 방사선을 삼차원적으로 표적화하여 수일간의 조사로 치료하는 방법이 도입되고 있다. 사이버나이프는 고용량의 방사선을 암종에 조사할 수 있고 주변에 방사선 조사를 최소화할 수 있다는 장점이 있다. 하지만 종괴가 크거나 위장관에 인접되어 있는 종양에서는 주위 장기에 손상을 줄 수 있는 가능성이 있다. 저자들은 간문맥 부근에 위치한 간세포암종을 사이버나이프로 치료한 후에 방사선에 의해 위와 십이지장에 급성 염증과 궤양을 보인 후 협착으로 진행된 1예를 경험하여 문헌 고찰과 함께 보고한다.
Abstract
Therapeutic radiation therapy has developed new technologies that use a high dose of radiation with three- dimensional targeting for a few days instead of conventional radiation therapy that uses small doses of radiation for a longer period of time. A Cyberknife is an image- guided robotic system for stereotactic radiosurgery. The Cyberknife was first developed for the treatment of intracranial lesions, and recently has been used for tumors in the chest and abdomen. A Cyberknife can use a high dose of radiation for treatment of a hepatocellular carcinoma and can be employed to minimize radiation injury around the tumor. However, in a large tumor, the therapeutic efficacy is reduced and injury can occur around the organs. We report a case of acute injury in the stomach and duodenum after Cyberknife treatment of a hepatocellular carcinoma near the hepatic portal area. (Korean J Gastrointest Endosc 2007;35:262-266)
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