PMID: 2117735Jul 1, 1990Paper

Asymmetric pneumatization of the petrous apex

Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
P S RolandB E Mickey

Abstract

Three patients with high-intensity MR signals from one petrous apex, but nonpathologic fine-cut computed tomography are reported. In two of the three patients, normal bone marrow within the petrous apex on one side is believed to have generated the high-intensity signal. In one of the three patients, the etiology of the MR image remains obscure, but may represent the earliest stages of petrous cholesterol granuloma or mucocele. We have reviewed 500 head CT scans performed for non-otologic reasons, in an attempt to establish the frequency of this finding. The literature on MR and CT imaging of the petrous apex and asymmetric pneumatization of the petrous apex is reviewed.

References

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Citations

Nov 12, 2005·Neurosurgical Review·Hubert LöwenheimMarcos Tatagiba
Oct 1, 1991·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·J Li, J Stankiewicz
Aug 4, 2006·The Laryngoscope·Moisés A Arriaga
Feb 26, 2019·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Ron B MitchellLorraine C Nnacheta
Jun 1, 1994·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·W L MeyerhoffW H Slattery
Jan 13, 2012·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Ahmed Abdel Razek, Benjamin Y Huang
Aug 25, 2020·The Journal of Laryngology and Otology·T HardcastleM Neeff
Oct 8, 1999·American Journal of Otolaryngology·G ChaljubF C Guinto
Jun 5, 2007·Otolaryngologic Clinics of North America·Brandon IsaacsonPeter S Roland
Sep 29, 2009·Annales d'oto-laryngologie et de chirurgie cervico faciale : bulletin de la Société d'oto-laryngologie des hôpitaux de Paris·A KarkasS Schmerber

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