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Curr Probl Diagn Radiol. 2021 Jan 09; doi: 10.1067/j.cpradiol.2020.12.007. Epub 2021 Jan 09.

External Ear Diseases: A Comprehensive Review of the Pathologies With Neuroradiological Considerations.

Current problems in diagnostic radiology

Amjad Samara, Stephen Herrmann, Matthew G Ditzler, Karuna M Raj, Hilary L P Orlowski, Rami W Eldaya

Affiliations

  1. Department of Psychiatry, Washington University School of Medicine, St. Louis, MO.
  2. Department of Radiology, Houston Methodist Hospital, Houston, TX.
  3. Department of Radiology, Texas Children's Hospital, Houston, TX.
  4. Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX.
  5. Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO.
  6. Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO. Electronic address: [email protected].

PMID: 33485754 DOI: 10.1067/j.cpradiol.2020.12.007

Abstract

The peripheral auditory system is subdivided into 3 compartments: the external, middle, and inner ear. Historically, the middle and inner ear have garnered more attention in the imaging literature, due to their intricate anatomy and complexity of pathologies. The external ear, however, has attained less recognition given its relatively straightforward anatomy and convenience of direct visual examination. The continued advancement in computed tomography and magnetic resonance imaging has expanded the role of radiology in the evaluation of the external ear lesions. The purpose of this article is to offer a comprehensive review of external ear pathologies, including congenital, inflammatory, infectious, traumatic, neoplastic, and rare disease entities and their imaging findings.

Copyright © 2021 Elsevier Inc. All rights reserved.

Conflict of interest statement

Declaration of Competing Interest The authors declare that they have no competing interests.

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