MASTOID PNEUMOCELE CAUSING ATLANTOOCCIPITAL PNEUMATIZATION

A 49-year-old woman had a palpable mass in her occipital region. Plain radiographs and CT examination revealed extensive atlantooccipital pn enmatization with findings consistent with the diagnosis of mastoid pn eumocele, Decompression was achieved with placement of at myringotomy tube, resulting in prompt symptomatic relief, On a follow-up CT examin ation, the pneumatized areas had become opacified and new bone formati on was present.