Thymofibrolipoma - A Brief Case Report -
강구현, 한정호, 김태성, 최용수, 엄상원,
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강구현 ( Kang Gu-Hyun )
성균관대학교 의과대학 삼성서울병원 병리학교실
한정호 ( Han Joung-Ho )
성균관대학교 의과대학 삼성서울병원 병리학교실
김태성 ( Kim Tae-Sung )
성균관대학교 의과대학 삼성서울병원 영상의학교실
최용수 ( Choi Yong-Soo )
성균관대학교 의과대학 삼성서울병원 흉부외과학교실
엄상원 ( Um Sang-Won )
성균관대학교 의과대학 삼성서울병원 내과학교실
KMID : 0357920100440030338
Abstract
Thymofibrolipoma is an extremely rare tumor in the anterior mediastinum, and represents a histologic variant of the usual thymolipoma. Herein, we report a case of thymofibrolipoma in a 9-year-old girl who had a huge mass with fatty attenuation in the right hemithorax on chest computed tomography. She denied any subjective symptoms except mild fever. The surgically resected tumor was ovoid, soft and well-encapsulated, measuring 9.0 × 7.5 × 7.0 cm. The cut surface was light tan in color with yellowish streaks. Microscopically, two distinct areas were admixed in different proportions. One consisted of normal thymic tissue with subinvoluted features and the other was composed of extensive areas of collagenous tissue interspersed in mature adipose tissue. In a high power view, there were thin strands of remnant thymic epithelial cells, separating the pseudolobules. Thymofibrolipoma should be distinguished from other benign or malignant conditions, occurring in the anterior mediastinum, so that unnecessary treatment can be avoided.
키워드
Mediastinal neoplasms;Thymofibrolipoma
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