作者对两例光化性肉芽肿患者进行了研究,一例为48岁女性,另一例为33岁男性。损害发生在颈后、颈两侧及前下方,为暴光部位。皮疹特点是红色、浅红色或肤色的半透明硬性丘疹,融合排列成线状,弧状或匐行性并形成不规则的环,有粗纹。无瘙痒及烧灼感。两例患者共取了8个活检标本。取材包括正常皮肤,环状损害以及环中心部皮肤三部分。环及邻近未受累的皮肤标本,HE染色显示表 The authors studied two cases of actinic granulomatosis: one was a 48-year-old woman and the other was a 33-year-old man. The damage occurred at the back of the neck, on both sides of the neck, and at the front of the neck, and was exposed to light. The rash is characterized by red, light red or translucent hard papules, fused in a linear, arcuate, or lame and irregularly formed ring with coarse lines. No itching and burning sensation. A total of 8 biopsy specimens were taken from both patients. Materials include normal skin, ring damage, and three parts of the center of the ring. Ring and adjacent unaffected skin specimens, HE stained display