External Ear Chondritis/abscess
External Ear Chondritis/abscess is a topic covered in the 5-Minute Emergency Consult.
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Basics
Description
Description
Inflammation and/or infection of the pinna
Etiology
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.
- Cartilage of the external ear is easily damaged due to:
- 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
- Common causes of chondritis include:
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Citation
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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 -