BENIGN OSTEONECROSIS OF THE EXTERNAL EAR CANAL

Benign osteonecrosis (EON) of the external ear canal (EEC), also terme d as focal or circumscribed necrotizing lesion, is an infrequent pheno menon with distinctive features and of an obscure origin, Five patient s with BON of the EEC presented with aggressiveness and extension of v arying degree including involvement of the middle ear, It seems that t he disease might have a self limited course (two patients) though, at times, extensive measures including hyperbarric oxygen therapy (one pa tient) should be applied.