Cholesteatoma in Petrous Apex.
نویسندگان
چکیده
منابع مشابه
Wholly Endoscopic Permeatal Removal of a Petrous Apex Cholesteatoma
We report a case of a petrous apex cholesteatoma which was managed with a wholly endoscopic permeatal approach. A 63-year-old Caucasian male presented with a 10-year history of right-sided facial palsy and profound deafness. On examination in our clinic, the patient had a grade VI House-Brackmann paresis, otoscopic evidence of attic cholesteatoma behind an intact drum, and extensive scarring of...
متن کاملPetrous Apex Lesions
Situated lateral and adjacent to clivus. Petrous apex bisected by Internal auditory canal in coronal plane Anteriorly into peritubal area and posteriorly into perilabrynthine area. Anterior to the internal auditory meatus that is wedged between the posterior border of the greater wing of the sphenoid and the basilar part of the occipital bones Its borders and boundaries are marked by major bloo...
متن کاملPetrous apex cephaloceles.
BACKGROUND AND PURPOSE Petrous apex cephaloceles (PACs) are uncommon lesions that are usually incidental but may be symptomatic. We reviewed MR and CT studies in 10 patients with PACs to identify characteristic imaging features that facilitate their diagnosis. METHODS MR and CT studies from 10 patients with PACs were reviewed retrospectively. In each case the PAC was characterized by lesion c...
متن کاملMiddle ear cholesteatoma extending into the petrous apex: evaluation by CT and MR imaging.
CT and MR imaging findings were reviewed in four cases of acquired cholesteatoma of the middle ear that extended medially into the petrous apex and middle cranial fossa. In one case the lesion further extended anteromedially into the sphenoid sinus. CT demonstrated the lesions as nonenhancing hypodense masses with bone destruction, extending medially from the middle ear cavity to the petrous ap...
متن کامل[Pneumatization of the petrous apex].
Pneumatization of the petrous apex was investigated in 226 subjects without middle ear disease by means of target imaging CT. The degree of pneumatization of all subjects was 32.7% (148/452 ears), but no difference in degree was revealed with distinction of bilateral ears or between sexes. In 148 ears with pneumatization of the petrous apex, a higher degree of pneumatization was found in larger...
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ژورنال
عنوان ژورنال: Practica Oto-Rhino-Laryngologica
سال: 1999
ISSN: 1884-4545,0032-6313
DOI: 10.5631/jibirin.92.208