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Mastery Series

External Auditory Canal (EAC)

Content Reviewed: 2021-08-09

Preview Course

2.5 CME

28 Videos

9 Clinical Cases

2.5 CME

Course Description

This course will describe for you several of the lesions that are associated with external auditory pathology both on the congenital basis, as well as on the non-congenital basis, which includes great infections, great potential neoplasms, and other pathologies that are worth understanding.

View CME Activity Information
  • Apply appropriate search patterns to ensure high quality case assessment 
  • Identify key anatomical landmarks, variations, and abnormalities on imaging
  • Accurately interpret advanced imaging cases
  • Formulate definitive diagnoses and limited differentials
  • Instructors

    David M Yousem, MD, MBA

    Professor of Radiology, Vice Chairman and Associate Dean

    Johns Hopkins University

    Lesson

    External Auditory Canal (EAC)

    9 Clinical Cases

    2 hr. 36 min.

    Introduction to External Auditory Canal (EAC)

    5 m.

    Axial Anatomy Temporal Bone - Summary

    17 m.

    Coronal Anatomy Temporal Bone - Summary

    10 m.

    Temporal Bone Anatomy and Cerumen Impaction

    13 m.

    EAC Congenital Lesions

    11 m.

    Critical Issues in Ear Reconstruction – Summary

    5 m.

    EAC Atresia

    8 m.

    Other Congenital EAC Anomalies - Summary

    6 m.

    Branchial Cleft Cyst Work Type 2 With Fistula

    5 m.

    Superinfected First Branchial Cleft Cyst with Fistula

    5 m.

    EAC Mass: Epidermal Inclusion Cyst

    4 m.

    External Ear Infections - Malignant Otitis Externa

    10 m.

    Malignant Otitis Externa

    4 m.

    Otomastoiditis and EAC Soft Tissue Mass

    6 m.

    Relapsing Polychondritis

    3 m.

    EAC Fungal Infection

    5 m.

    Malignant External Otitis in a Diabetic

    3 m.

    EAC Benign Masses – Summary

    8 m.

    EAC Bony Overgrowth

    5 m.

    EAC Exostoses

    3 m.

    Fibrovascular Polyp of EAC

    3 m.

    Acquired Cholesteatoma

    4 m.

    EAC Cholesteatoma

    5 m.

    EAC Paraganglioma

    5 m.

    EAC Neurofibroma

    4 m.

    EAC Malignancies – Summary

    6 m.

    Squamous Cell Carcinoma (SCC) Spread to EAC

    3 m.

    Review of EAC Disease

    4 m.

    Course Evaluation

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