Postaural osteoma: A rare case report

Osteomas are benign slow-growing tumour predomin they are found most commonly in fronto mastoid region. They very rarely extend into sigmoid sinus.They are usu cosmetic purposes. In this rare case report, we are presenting a case of recurrent osteoma in mastoid region with sigmoid sinus extension causing cosmetic deformity and treatment of this lesion. As osteoma of the ma sigmoid sinus extension is very rare lesion in otology practice, we believe that this report will be of interest to otolaryngologists when dealing with temporal bone osteomas. Key Word: osteoma , temporal bone.