单房性骨囊肿是一种好发于儿童及青少年长骨干骺端的局限性、破坏性肿瘤样骨病损。传统的治疗方法是行病灶刮除加植骨术,但术后复发率高[1]。我们利用类固醇能中断破骨细胞前列腺素介质释放的特点,通过囊内注射甲泼尼龙琥珀酸钠,降低破骨细胞活性,提高了治愈率。临床资料病例选 Atrial cystic bone is a long hair in children and adolescents with long bone limitations, destructive tumor-like bone lesions. The traditional treatment is the line of curettage and bone grafting, but the high recurrence rate [1]. We use the steroid can interrupt the release of osteoclast prostaglandin mediators by intracapsular injection of methylprednisolone sodium succinate, reduce osteoclast activity and improve the cure rate. Clinical data cases selected