顾××,女,62岁,右手环指第一节指腹生一尖形疣状物已三年多。疣状物底直径0.3cm,高0.6cm,呈灰色,触之如角样硬,根周皮肤呈环状高起,不红(图见封三)。摆动疣状物时,基底部有痛感。自述初起局部无外伤史,为一米粒大的小 Gu × ×, female, 62 years old, the right hand ring finger refers to the first section refers to a kind of sharp-shaped puppies for more than three years. The bottom of the pods is 0.3cm in diameter and 0.6cm in height. It is gray and hard to touch like a horn. The skin around the roots rises up in a ring and is not red (see Figure 3). The basal part is painful when swinging the pods. From the beginning of the self-report, there was no history of trauma, which was a small grain of rice.