Objective We describe the sonographic f eatu res of lipoma and fatty necrosis in order to evaluate the practical roles of CDF I in diagnosis and differential diagnosis of them.

• 目的描述脂肪瘤及脂肪坏死的超声表现,比较两种病变的图像特征,探讨超声对皮下脂肪瘤及脂肪坏死的鉴别诊断价值。