Melkersson Rosenthal syndrome. Review of the literature.

The M.R.S. is an uncommon condition of uncertain pathogenesis and course. The classic triad of signs includes recurrent orofacial oedema, recurrent facial nerve palsy and lingua plica. Patient histories, histologic findings, clinical findings and treatment were reviewed in the literature. A comparison with medicines reported in literature revealed a different result. A conservative treatment approach is recommended.