小汗腺汗孔瘤(Eccrine Poroma)是一种比较罕见的汗腺瘤。1956年Pinklls首先命名并报道5例,认为是来自小汗腺导管开口部的上皮,此后经组织化学及电镜研究,证实了肿瘤与小汗腺表皮内导管结构相似。此瘤在临床上颇具特征,最初报道的病例,多位于足的蹠面或侧缘,即足的无毛面。也可见于手掌、大腿、颈、背及胸壁等处。表现为缓慢增大的肉红色柔软结节,多半病历长而无特殊症状。结节直径约1cm左右,底部皮肤往往呈碟形凹陷,结节乳头状或有蒂,与周围皮肤境界截然,外观象化脓性肉芽肿或血管瘤。外伤磨擦可引起出血及表皮 Eccrine Poroma is a rare form of sweat adenoma. In 1956, Pinklls first named and reported 5 cases. It was thought that it was from the epithelium of the opening of the eccrine duct. After histological and electron microscopy studies, it was confirmed that the tumor was similar to the eustachian gland epidermis. This tumor is quite characteristic clinically. The initially reported cases are mostly located in the facial or lateral margins of the foot, ie the hairless side of the foot. Can also be found in the palm, thigh, neck, back and chest wall. It appears as a soft, red, soft nodule that grows slowly, and most of the patients have long medical history and no special symptoms. The nodule has a diameter of about 1cm. The bottom skin is usually dished, and the nodule is papillary or pedunculated. It is distinct from the surrounding skin and looks like pyogenic granuloma or hemangiomas. Traumatic friction can cause bleeding and epidermis