Abstract
Melkersson described a syndrome that consists of peripheral facial palsy and swelling of the lips. Its classical form is characterized by recurrent paralysis of the facial nerve, swelling of one or both lips, and lingua plicata (also defined as "scrotal tongue" or "fissured tongue"). In our case, rheumatoid arthritis, Parkinson's disease, Hashimoto's thyroiditis, hypertension and pleural effusion were found together with MRS. Whether it is only a co-incidence or there is a causal relationship between MRS and these disorders, especially rheumatoid arthritis and Hashimoto's thyroiditis, merits further investigation.