منابع مشابه
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 pneumatization with findings consistent with the diagnosis of mastoid pneumocele. Decompression was achieved with placement of a myringotomy tube, resulting in prompt symptomatic relief. On a follow-up CT examination, the pneumatized areas had become opacifie...
متن کاملThe Role of Mastoid Pneumatization in the Pathogenesis of Tympanosclerosis
Tympanosclerosis is an abnormal connective tissue reaction with hyaline degeneration and calcification in the tympanic membrane and submucosa of the middle ear. It is an irreversible, non-spesific end-result chronic inflammation or infection of the middle ear. The process occurs in the lamina propria layer of submucosa. A homogenous mass takes place by thickening and fusion of the collagenous f...
متن کاملRole of mastoid pneumatization in temporal bone fractures.
BACKGROUND AND PURPOSE The mastoid portion of the temporal bone has multiple functional roles in the organism, including regulation of pressure in the middle ear and protection of the inner ear. We investigated whether mastoid pneumatization plays a role in the protection of vital structures in the temporal bone during direct lateral trauma. MATERIAL AND METHODS The study was performed on 20 ...
متن کاملCongenital cholesteatoma of the mastoid temporal bone.
OBJECTIVE Congenital mastoid cholesteatomas are rare lesions of the temporal bone. The clinical presentation of these lesions is variable, making them difficult to identify preoperatively. We evaluated our series of mastoid congenital cholesteatomas (CCs) in an effort to better define the clinical presentation, imaging characteristics, and surgical challenges specific to this lesion. STUDY DE...
متن کاملEndoscopic Middle Ear and Mastoid Surgery for Cholesteatoma
Introduction: To reduce incidence of residual cholesteatoma following ear surgery; and to reduce the need for second look “open” mastoidectomy using endoscopic mastoidotomy. Ten-year retrospective chart review of 249 primary cholesteatoma cases (1994-2004) with a minimum follow-up of two years. The first objective was to evaluate the effectiveness of otoendoscopy in reducing the incidence of “...
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ژورنال
عنوان ژورنال: Nippon Jibiinkoka Gakkai Kaiho
سال: 1988
ISSN: 0030-6622,1883-0854
DOI: 10.3950/jibiinkoka.91.1933