위에 발생한 투명세포육종 1예
A Case of Clear-Cell Sarcoma in the Stomach
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초록
위에 발생한 투명세포육종은 매우 드물며 국내에서 첫 증례를 보고하는 바이다. 투명세포육종의 진단은 어렵지만 충분한 조직 검체를 이용하여 면역조직화학 검사 및 분자학적검사를 하면 진단할 수 있고, 특히 EWS 유전자 전좌를 확인하는 것이 중요하다. 문헌 보고에 따르면 투명세포육종의 치료로서 항암화학요법의 효과는 미미하였고 아직까지 항암화학요법에 대해 일치된 의견이 없어 현재까지 수술적 절제가권장된다. 본 증례에서 초기 유잉 육종 진단하에 항암화학요법을 적용하였는데 치료 경과가 유잉 육종과 일치하지 않아 투명세포육종을 의심하에 수술적 절제로 진단 및 치료를 하였다. 수술적 절제 이후에 부종양 증후군이 호전되는 것을 확인하였고 재발 없이 추적관찰 중이다.
Abstract
Clear-cell sarcoma (CCS) is a rare soft tissue sarcoma that usually develops in the lower extremities of young adults. CCS of the gastrointestinal tract is extremely rare. We report here the first case of CCS of the stomach in Korea. A 28-year-old female developed a large tumor of the stomach that was initially considered Ewing sarcoma, based on the results of a needle biopsy. She had paraneoplastic syndrome; fever, anemia, and hyperglycemia. Follow-up abdominal computed tomography after four-cycles of chemotherapy with vincristine–doxorubicin–cyclophosphamide or ifosfamide–etoposide showed no tumor shrinkage and revealed a fistula between the tumor and the gastric lumen. The infected tumor prompted debulking surgery, which resulted in improvement of her symptoms. The pathologic findings were consistent with CCS, and fluorescence in situ hybridization for EWS gene rearrangement was positive, confirming the diagnosis. This case highlights the importance of clinical suspicion for CCS in chemotherapy-refractory Ewing sarcoma.
참고문헌 (10)
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