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External Ear Chondritis/abscess

External Ear Chondritis/abscess is a topic covered in the 5-Minute Emergency Consult.

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Basics

Description

Inflammation and/or infection of the pinna

Etiology

Mechanism:
- Cartilage of the external ear is easily damaged due to:
  - Lack of overlying subcutaneous tissue
  - Relative avascularity
  - Exposed position
- Chondritis:
  - Most commonly a secondary complication of otic trauma and burns
  - Onset is often insidious and may be delayed until apparent healing has occurred.
Improper management may cause disfiguration of the pinna secondary to cartilage avascular necrosis:
- Ranges from being a shriveled, cauliflower-like ear to complete loss of the external ear and possible stenosis of the auditory meatus.
Causes:
- Common causes of chondritis include:
  - Chemical or thermal burns
  - Frostbite
  - Hematoma formation
  - Trauma
  - Human/insect bites
  - Deep abrasions
  - External otitis
  - High piercing of the ear lobe especially with poor technique, hygiene, and aftercare.
- Bacteria involved:
  - Pseudomonas aeruginosa
  - Staphylococcus
  - Proteus

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Citation

Barkin, Adam Z., et al., editors. "External Ear Chondritis/abscess." 5-Minute Emergency Consult, 5th ed., Lippincott Williams & Wilkins, 2016. Emergency Central, emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307631/all/External_Ear_Chondritis_abscess.

External Ear Chondritis/abscess. In: Barkin AZ, Barkin RM, Hayden SR, et al, eds. 5-Minute Emergency Consult. 5th ed. Lippincott Williams & Wilkins; 2016. https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307631/all/External_Ear_Chondritis_abscess. Accessed February 18, 2019.

External Ear Chondritis/abscess. (2016). In Barkin, A. Z., Barkin, R. M., Hayden, S. R., Rosen, P., Schaider, J. J., Shayne, P., & Wolfe, R. E. (Eds.), 5-Minute Emergency Consult. Available from https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307631/all/External_Ear_Chondritis_abscess

External Ear Chondritis/abscess [Internet]. In: Barkin AZ, Barkin RM, Hayden SR, Rosen P, Schaider JJ, Shayne P, Wolfe RE, editors. 5-Minute Emergency Consult. Lippincott Williams & Wilkins; 2016. [cited 2019 February 18]. Available from: https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307631/all/External_Ear_Chondritis_abscess

* When formatting your citation, note that all book, journal, and database titles should be italicized* Article titles in AMA citation format should be in sentence-case

TY - ELEC T1 - External Ear Chondritis/abscess ID - 307631 ED - Barkin,Adam Z, ED - Barkin,Roger M, ED - Hayden,Stephen R, ED - Rosen,Peter, ED - Schaider,Jeffrey J, ED - Shayne,Philip, ED - Wolfe,Richard E, BT - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307631/all/External_Ear_Chondritis_abscess PB - Lippincott Williams & Wilkins ET - 5 DB - Emergency Central DP - Unbound Medicine ER -