脂肪母细胞瘤是一个好发于婴幼儿期和早期儿童罕见的脂肪组织良性肿瘤。其典型的发生部位是四肢和躯干,很少发生于头颈部、纵隔和腹膜后。然而,也有文献报道过胸膜、胸壁和肺部的脂肪母细胞瘤。尽管脂肪母细胞瘤可能会迅速增大并向周围侵犯,但它是一个预 Fatty cell tumor is a benign tumor of adipose tissue that is rare in infancy and early childhood. The typical site of occurrence is the limbs and trunk, rarely occurs in the head and neck, mediastinal and retroperitoneal. However, there are also reports of adipocytoma in the pleura, chest wall and lung. It is a prelude, although it may rapidly increase and encroach on the periphery