良性囊性间皮瘤较罕见，国内少有报道。我院近来收到托县医院会诊一例，报道如下。患者男性，１５岁，因腹部包块１ｍｏ余，伴钝痛４ｄ入院。查体：体温正常，贫血面容。左腹部可触及一肿块，呈囊性感，余各系统无异常发现。化验，白细胞２３２×１０９／Ｌ，中性０９... Benign cystic mesothelioma is rare and rarely reported in China. Our hospital has recently received one case from the Tuo County Hospital. The report is as follows. The patient, male, was 15 years old. He was admitted to the hospital with a dull pain for 1 month and a dull pain for 4 days. Physical examination: normal body temperature, anemic face. A mass can be touched in the left abdomen and the capsule is sexy. No abnormalities were found in each system. Laboratory tests, white blood cells 232×109/L, neutral 09...