Metastatic Metaplastic Carcinoma From a Pseudosarcoma (Lane Tumor) of the Mouth

Abstract

A case of polypoid metaplastic carcinoma (Lane tumor) of the mouth is presented. There are well defined zones of transition between the squamous epithelium of the polyp and the stroma. Metastases in the right neck and paratracheal lymph nodes contain areas of cartilaginous and osseous metaplasia as well as squamous epithelial pearls.