종양표지자의 상승을 동반한 국소 림프절 침범 신혈관근지방종 1예
A Case of Renal Angiomyolipoma with Lymph Node-Associated Elevation of Tumor Markers
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초록
저자들은 종양 표지자 상승과 다발성 복강 내 림프절 비대로 전이성 악성 종양의 감별을 위하여 내원한 환자에서 조직 검사상 양측성 신혈관근지방종의 국소 림프절 침범과 무증상 결절성 경화증의 동반으로 확인된 증례를 경험하여 이를 보고하는 바이다.
Abstract
Angiomyolipoma is a rare, benign, mesenchymal hamartomatous neoplasm consisting of a mixture of adipose tissue, smooth muscle cells, and anomalous blood vessels. The kidney is a common origin site, but extrarenal angiomyolipoma has been reported. Simultaneous involvement of the kidney and regional lymph nodes is uncommon, and may be confused with a metastatic malignant lymph node. Lymph node involvement in angiomyolipoma represents a multifocal invasion of the tumor, rather than metastatic disease. Tumor markers usually associate with malignancy but they have sometimes been detected in benign conditions. We report a case of bilateral renal angiomyolipoma with tuberous sclerosis simultaneously involving regional lymph nodes confused with metastatic malignant lymph node enlargement due to associated elevation of serum tumor markers. (Korean J Med 2011;80:S287-S294)
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