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Head and Neck Pathology

, Volume 12, Issue 3, pp 407–418 | Cite as

Squamous Cell Carcinoma of the External Auditory Canal and Temporal Bone: An Update

  • Benjamin M. Allanson
  • Tsu-Hui Low
  • Jonathan R. Clark
  • Ruta Gupta
Special Issue: Ear

Abstract

Squamous cell carcinoma (SCC) is the most common primary malignancy to affect the temporal bone, including primary cutaneous SCC of the pinna, external auditory canal, middle and inner ear. This anatomically complex region generates complicated three-dimensional specimens that can be a challenge for macroscopic and microscopic pathologic assessment. A universally accepted staging classification for these malignancies is still to be established. A brief summary of the regional anatomy, etiology and epidemiology, presentation and diagnosis, radiologic assessment and treatment follows with a review of the pathologic assessment of the different types of specimens generated and an update on staging for SCC of the temporal bone.

Keywords

External auditory canal Middle ear Macroscopic examination Squamous cell carcinoma Staging systems Temporal bone 

Notes

Compliance with Ethical Standards

Conflict of interest

Benjamin M. Allanson, Tsu-Hui (Hubert) Low, Jonathan R Clark, Ruta Gupta declares that they have no conflict of interest.

Research Involving Animal and Human Participants

This article does not contain any studies with human participants or animals performed by any of the authors.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Benjamin M. Allanson
    • 1
  • Tsu-Hui Low
    • 2
  • Jonathan R. Clark
    • 2
    • 3
  • Ruta Gupta
    • 1
    • 3
  1. 1.Department of Tissue Pathology and Diagnostic OncologyRoyal Prince Alfred HospitalCamperdownAustralia
  2. 2.Sydney Head and Neck Cancer InstituteHead and Neck Surgery Chris O’Brien LifehouseSydneyAustralia
  3. 3.Sydney Medical SchoolThe University of SydneySydneyAustralia

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