Melkerson Rosenthal syndrome.

This case presentation of a facial swelling emphasizes the difficult and differential efforts of a team of doctors before we were able to reach a diagnosis of Melkerson Rosenthal Syndrome (MRS). This syndrome is an idiopathic, neurological disorder seen as a swelling of the face and lips, with folds and furrows of the tongue. Episodes are recurrent. This case is an example of positive networking by a dentist and physician to achieve the correct diagnosis of MRS.