비강에 발생한 혈관근육지방종 1예

Angiomyolipoma (AML) is a tumor that is composed of blood vessels, adipose tissue and smooth muscle. Mostly it occurs in kidney and also to those 80% of patients associate with tubular sclerosis. AML which is developed in the nasal cavity shows varies characteristics than when it happens in kidney or liver. It does not carry nodular sclerosis and its size is smaller than the one which is developed in kidney or liver, mostly less than 4 cm. There is no epithelioid smooth muscle cell and HMB45 stain is completely negative. In the nasal cavity, angiomyolipoma has been rarely reported in the literature. We present a case of angiomyolipoma in the nasal cavity. (J Clinical Otolaryngol 2008;19:107–109)