右侧臀部表皮囊肿恶变１例谷喜春，谭翠松，高永慧，战大伟，王洁患者男，７９岁，因右侧臀部肿物４０余年，近日红肿增大入院。手术中见右侧臀部皮下有一囊性肿物，约鸡蛋大，与表皮有粘连，基底活动，易剥离，囊内为灰色粉渣样物。病理检查：肉眼见灰白色囊性肿物一个，... One case of malignant transformation of right side buttocks epidermis cysts Gu Xichun, Tan Cuisong, Gao Yonghui, Zhan Dawei, Wang Jie The patient was 79 years old. He had a swelling of the right hip for more than 40 years and he had recently had an increase in swelling and admission. During surgery, there was a cystic mass under the right buttock, a large egg, adhesion to the epidermis, basal movement, easy peeling, and a grey powder residue-like material inside the capsule. Pathological examination: the naked eye sees a white cystic mass,...