骨膜软骨瘤（periostealChondroma）是一种缓慢生长的位于皮质表面的骨膜下或骨膜中的良性软骨瘤。它起源于骨膜，常压迫皮质，好发于年轻人。本院自1961年至1993年共收治了3例符合骨膜软骨瘤诊断的病例，报告如下。临床资料3例患者均为男性，年龄分别为10岁、21岁、24岁，病史 Periosted chondroma is a slow-growing benign chondroma located in the subperiosteum or periosteum on the cortical surface. It originated in the periosteum, often oppressed in the cortex and occurs in young people. From 1961 to 1993, 3 cases of periosteal chondroma tumors were diagnosed in this hospital. The report is as follows. Clinical data: All 3 patients were male and were 10, 21, and 24 years old.