[Syringomatous carcinoma a propos of three cases with a review of the literature].

Three cases of syringomatous carcinoma are reported. It is a rare adnexal neoplasm of the skin with a marked propensity for early infiltrative and locally aggressive growth. The tumor usually involves the face and particularly the upper lip. Microscopically, this tumor is characterized by syringomatous pattern and sclerotic collagenous stroma.