منابع مشابه
Petrous 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 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...
متن کاملIsolated petrous apex ectopic craniopharyngioma
Copyright @ 2015 Authors. This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original author and source are properly cited. Julius July,1 Eka J. Wahjoepramon...
متن کاملAspergillosis of the petrous apex.
We present the case of an immunocompetent man who presented with multiple and progressive cranial nerve palsies. The cause was found to be aspergillosis of the petrous bone, arising as a result of chronic fungal otitis media. Despite treatment with local excision and systemic anti-fungal therapy, he died after suffering a subarachnoid haemorrhage. Diagnosis rests upon prompt radiological imagin...
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ژورنال
عنوان ژورنال: Ear, Nose & Throat Journal
سال: 2020
ISSN: 0145-5613,1942-7522
DOI: 10.1177/0145561320944057