중이 이물에 의한 외임프누공 1례

Perilymph fistula is a disease of leakage of perilymph through the abnormally formed pathway between perilymphatic space and middle ear cavity. The causes are poststapedectomy, head trauma, congenital abnormality, sudden changes of pressure of cerebrospinal or middle ear, idiopathic, etc. But perlymph fistula caused by middle ear foreign body was reported rarely.

Recently authors have experienced a case of perilymph fistula caused by foreign body, molten-iron, into middle ear cavity, so report it with a brief review of literatures.