Melkersson-Rosenthal syndrome with partial oculomotor nerve palsy

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Ann Saudi Med 28(2) March-April 2008 www.saudiannals.net 135 Melkersson-Rosenthal syndrome (MRS) is a rare granulomatous disease characterized by orofacial edema, facial nerve palsy, and furrowed tongue (lingua plicata).1,2 This is the classic triad which defines the syndrome, although it is accepted that the presence of two manifestations or one with a granulomatous cheilitis in the eyelid biopsy, is sufficient to make the diagnosis.3 Facial paralysis, most commonly unilateral, may also occur as well as a congenital fissuring of the tongue. It was first described in 1928 by Melkersson as a syndrome of recurrent facial palsy and edema, and Rosenthal later added the third feature of the syndrome, furrowing of the tongue, in 1931.4 The etiology of MRS is unknown, although both genetic and acquired factors have been implicated.2,5 Isolated eyelid edema, particularly bilateral involvement, is also rare, and as such it is usually misdiagnosed as orbital Melkersson-Rosenthal syndrome with partial oculomotor nerve palsy