Chondrodermatitis
Chondrodermatitis Nodularis Helicis (CNH) is a skin condition that affects the ear. It is characterized by a painful nodule on the helix or antihelix of the ear. This condition is relatively common, particularly in middle-aged or older adults, and tends to affect men more frequently than women. The exact cause of CNH is not fully understood, but it is believed to be related to prolonged pressure, trauma, or exposure to cold temperatures, leading to reduced blood flow and damage to the ear cartilage.
Symptoms[edit | edit source]
The primary symptom of CNH is a painful, tender nodule on the ear, which may become crusted or ulcerated. The pain is often worsened by pressure, such as when lying on the affected ear during sleep. Some individuals may also experience itching around the affected area.
Causes[edit | edit source]
While the exact cause of CNH is unknown, several factors are believed to contribute to its development:
- Prolonged Pressure: Sleeping on one side for extended periods can exert pressure on the ear, leading to CNH.
- Trauma: Minor injuries to the ear can initiate the development of CNH.
- Cold Weather: Exposure to cold temperatures may increase the risk of CNH by reducing blood flow to the ear.
- Age and Gender: CNH is more common in middle-aged and older adults, and it affects men more frequently than women.
Diagnosis[edit | edit source]
Diagnosis of CNH typically involves a physical examination of the ear. In some cases, a biopsy may be performed to rule out other conditions, such as skin cancer.
Treatment[edit | edit source]
Treatment options for CNH include:
- Conservative Measures: Using a soft pillow or a specially designed pillow with a hole in the center can help reduce pressure on the ear during sleep.
- Topical Treatments: Corticosteroid creams or ointments may be prescribed to reduce inflammation.
- Surgery: In severe cases, surgical removal of the nodule may be necessary.
- Cryotherapy: Freezing the nodule with liquid nitrogen can help reduce its size.
Prevention[edit | edit source]
Preventing CNH involves minimizing pressure on the ears during sleep and protecting the ears from cold weather. Using a soft pillow or a pillow designed to reduce ear pressure can also help.
See Also[edit | edit source]
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Contributors: Prab R. Tumpati, MD
