Lee S, Kim J G
Arch Dermatol. 1979 Jun;115(6):744-6.
This is, to our knowledge, the second report of eruptive vellus hair cysts. The lesions, which occurred in an 18-year-old woman, consisted of 35 to 40 brownish-black, 1- to 4-mm papules on the anterior aspect of the chest. Histologically, the lesions consisted of small cysts in the middle dermis that contained laminated and amorphous keratinous material and vellus hairs. The cyst wall consisted of several layers of squamous epithelium with a rudimentary follicle attached to its outer aspect. The lesions regressed spontaneously after ten months. The pathogenesis is obscure but the condition appears to be a new distinctive entity.
据我们所知，这是关于发疹性毳毛囊肿的第二篇报道。这些皮损发生在一名18岁女性身上，表现为胸部前方有35至40个棕黑色、1至4毫米的丘疹。组织学上，皮损由真皮中部的小囊肿组成，囊肿内含有层状和无定形角质物质及毳毛。囊肿壁由几层鳞状上皮组成，其外侧附着一个发育不全的毛囊。十个月后皮损自行消退。发病机制尚不清楚，但这种情况似乎是一种新的独特病症。
