皮肤角化棘皮瘤是一种较少见的良性自愈性表皮肿瘤，曾有过许多描述名称如面部火山口状溃疡，多发性自愈性皮肤鳞状细胞癌，皮脂性软疣，瘤样角化症，内生性疣和假癌等。本文为了查明内蒙地区角化棘皮瘤的发病情况及其临床病理特征，对我院１８年来手术切除的３２例皮肤角... Skin keratoacanthoma is a rare and benign self-healing epidermal tumor. It has had many descriptions such as facial crater ulcers, multiple self-healing cutaneous squamous cell carcinoma, sebaceous soft palate, and tumor-like lesions. Keratosis, endogenous and pseudocarcinoma, etc. In order to find out the incidence of keratoacanthoma in Inner Mongolia and its clinicopathological features, we have performed 32 cases of excision of the skin in our hospital for 18 years...