患者男,16岁。右足拇趾远端甲下肿物9个月。患者9个月前无明显诱因发现甲下一绿豆大肿物,局部甲床增厚,隆起,按压疼痛。在当地医院行拔甲肿物切除术,组织病理检查结果为骨软骨瘤。术后3个月,肿物再次长出,趾甲不能覆盖瘤区,趾甲边缘上翘,行走时疼痛,遂来我院诊治。既往健康,家族成员中无类似 Male patient, 16 years old. Right foot toe distal Jiaxia 9 months. Patient 9 months ago, there was no obvious incentive to find a large green beans next to a large tumor, local nail bed thickening, uplift, press the pain. In a local hospital line dissection, histopathological examination results for osteochondroma. 3 months after surgery, the tumor grows again, toenails can not cover the tumor area, nails upturned edge, walking pain, then came to our hospital for diagnosis and treatment. Formerly healthy, no similar among family members