Recurrent facial nerve palsy is a feature of:: (A) Melkersson Rosenthal syndrome, (B) Simpson Golabi syndrome, (C) Down's syndrome, (D) Klinefelter's syndrome
Answer is A. The rare Melkersson-Rosenthal syndrome consists of recurrent facial paralysis; recurrent--and eventually permanent--facial (paicularly labial) edema; and, less constantly, plication of the tongue. Its cause is unknown Ref: Harrison's principle of internal medicine 17th edition, chapter 371.