病例介绍女,74岁。两年前并无何诱因,发现左侧面部出现一绿豆大小结节,逐渐增大、角化、变硬、形成锥形角化物,无痛、痒及其他不适。数月后被家人拔掉,基底少量出血自愈。一年后又长出类似的锥形角化物(附图),1995年8月来院就诊。行皮角摘除缝合术,病理镜检:基底棘细胞增生、过度角化,真皮内胶原弹性纤维肿胀、变性,淋巴细胞浸润。 Case description Female, 74 years old. Two years ago there was no incentive to find a mung bean nodule on the left side of the face, gradually increasing, keratinization, hardening, the formation of keratosis, pain, itching and other discomfort. A few months after being unplugged by the family, a small amount of bleeding from the base heal. A year later, a similar cone keratosis (with photos) was made and came to hospital in August 1995. Line dermal removal suture, pathological microscopy: basal spine cell hyperplasia, hyperkeratosis, dermal collagen elastic fiber swelling, degeneration, lymphocyte infiltration.