甲下外生骨疣是发生于末节趾(指)骨末端甲下或邻近的一种良性肿瘤。临床常误诊以至局部破溃感染,甚至形成骨髓炎。现将经手术病理证实的3例报告如下。病例报告例1 女,15岁。1月前左足拇趾踏伤,数天后,肿胀、疼痛,并逐渐出皮肤破溃,经抗菌药物 A lower exophytic osteophyte is a benign tumor that occurs in or near the distal end of the bony end of the toe (finger). Clinical often misdiagnosed as well as local ulceration, and even the formation of osteomyelitis. The following three surgically-pathologically confirmed cases are reported below. Case Report Case 1 Female, 15 years old. 1 month ago, the left foot was toeed, and after a few days, it was swollen, painful, and gradually ulcerated.