[Squamous epithelial carcinoma in a duct cyst of the submandibular gland].

Squamous cell carcinomas are rare malignant tumors of the major and minor salivary glands in the head region. This is the report of a squamous cell carcinoma within a cyst of the submandibular gland. Clinical, histological and immunohistochemical findings are presented, and the importance as well as the therapeutic strategy of this very rare malignant tumor of the salivary glands are discussed.