心脏脂肪瘤是一种十分罕见的良性原发性心脏肿瘤。心脏脂肪瘤引起的猝死国内尚未见有报道。我们在法医检案中偶然遇见一例，现报告如下。死者杨某某，男，48岁，生前有心脏病史。因琐事与邻居发生纠纷，吵打中突然倒地，抢救无效死亡。解剖检验：厂长168cm，发育正常，营养中等 Heart lipoma is a very rare benign primary cardiac tumor. Cardiac lipoma caused by sudden death has not been reported in the country. We happened to meet a case in a forensic case and are reported as follows. The deceased Yang Moumou, male, 48 years old, had a history of heart disease during his lifetime. Due to trivial disputes with their neighbors, noisy fight suddenly fell to the ground, rescue invalid death. Anatomical inspection: director 168cm, normal development, moderate nutrition