患者男,60岁,农民。患阴囊“湿疹”8年。病初为一绿豆大丘疹、搔痒、渗黄水,病损范围逐渐扩大。两年后、左侧阴囊前上部皮肤全部受累、并侵及阴茎根部皮肤。近两年常有烧灼样疼痛。 体检 左侧阴囊前上部皮肤呈粉红色肉芽样、湿润、局部有小片血痂复盖。除去痂壳,有轻微渗血。两侧腹股沟未 Male patient, 60 years old, farmer. Suffering from scrotum “eczema” for 8 years. At the beginning of the disease, it was a mung bean with large papules, pruritus, and yellow water, and the lesion area gradually expanded. Two years later, the left upper scrotal skin was completely involved and invaded the skin of the penis root. Burning pain is common in the past two years. Physical examination The left upper part of the scrotal skin was pink granule-like, moist, covered with small pieces of blood stasis. Remove the shell, a slight bleeding. Both sides of the groin are not