脂肪瘤系脂肪组织的良性肿瘤，多好发于体表皮下组织，以胸、背、颈部及躯干多见，发生于头面部则较少见。本科近期收治１例，现报道如下。患者，男，６０岁。以左面颊部无痛性肿块渐进性增大４０余年，于１９９６年１２月２４日入院。初发病时肿块约鸽蛋大小，后渐增大，... Lipomas are benign tumors of adipose tissue, which occur more often in the subcutaneous tissues of the body, and are more common in the chest, back, neck, and trunk, and less frequently in the head and the face. One recent case of undergraduate treatment was reported as follows. Patient, male, 60 years old. The painless mass on the left cheek increased progressively for more than 40 years and was admitted on December 24, 1996. At the beginning of the onset, the size of the tumor was about the size of the pigeon’s egg and gradually increased afterwards....