软骨母细胞瘤在临床上属于少见良性骨肿瘤,WHO统计[1]占原发性骨肿瘤的2.7%,良性骨肿瘤的5.9%,好发于10～25岁,男性多于女性,常见于长管状骨骨骺或干骺端,扁骨较少见。现报道本院有完整临床资料的髋臼软骨母细胞瘤l例。1病例介绍 Chondroblastoma is a clinically rare benign bone tumor. WHO statistics [1] account for 2.7% of primary bone tumors and 5.9% of benign bone tumors, which occur in 10-25 years of age and are more common in males than in females Long tubular epiphysis or metaphysis, flat bones are rare. Is reported in our hospital has a complete clinical data of acetabular chondroblastic tumor l cases. 1 case introduction