Polymorphous low-grade adenocarcinoma of the tongue.

Polymorphous low-grade adenocarcinoma has been recently recognized as a distinct entity with a predilection for minor salivary glands. We present an unusual case of polymorphous low-grade adenocarcinoma of the tongue. Only a few cases located at the tongue have been reported in the English literature. Current literature concerning the histopathological and clinical features of this tumor was discussed.