头皮毛囊皮脂腺囊性错构瘤1例

Follicularsebaceous Cystic Hamartoma on the Scalp:A Case Report

患者男,34岁,右侧耳后头皮结节3年。体检:右侧耳后头皮可触及一蚕豆大小结节,稍隆起,活动度较差,质地中等,轻微压痛,其上可见一绿豆大小肤色丘疹,表面光滑。皮损组织病理示:真皮内可见孤立的扩张囊腔,囊腔周边可见增生的皮脂腺小叶、胶原纤维及成熟的脂肪细胞,周围大量嗜酸性粒细胞浸润,小脓肿形成,异物巨细胞反应,肉芽组织增生。诊断:毛囊皮脂腺囊性错构瘤伴异物肉芽肿反应。

A 34-year-old male presented with a nodule on the right retroauricular area for 3 years.Physical examination:a broad bean-sized nodule on the scalp behind the right ear,slightly raised,with poor mobility,medium texture and slight tenderness.A mung bean-sized skin color papule was seen on it,and the surface was smooth.Histopathology of skin lesions:isolated dilated cystic cavity in the dermis,proliferative sebaceous gland lobules,collagen fibers and mature adipocytes around the cystic cavity,surrounded by many eosinophils,small abscess formation,foreign body giant cell reaction and granulation tissue proliferation.Diagnosis:folliculosebaceous cystic hamartoma.