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Evaluation of hearing function in patients with lichen planus
N Altunisik1, A Koc2, Y Toplu2
1Inonu University Faculty of Medicine, Department of Dermatology, Malatya, Turkey.
Medical Hypotheses
|May 29, 2020
Summary
Lichen planus (LP) can impact hearing, potentially causing sensorineural, conductive, or mixed hearing loss. This study found significant hearing differences in LP patients compared to healthy individuals, particularly at higher frequencies.
Area of Science:
- Otolaryngology
- Immunodermatology
- Audiology
Background:
- Lichen planus (LP) is a chronic autoimmune inflammatory condition.
- LP can affect the external ear canal and tympanic membrane.
- Autoimmune diseases may involve the inner ear, necessitating hearing function evaluation.
Purpose of the Study:
- To investigate and evaluate hearing functions in patients diagnosed with Lichen planus.
- To determine the prevalence and type of hearing loss associated with LP.
Main Methods:
- A cohort of 30 patients with Lichen planus and 28 healthy controls participated.
- Hearing assessments included pure tone audiometry, tympanometry, and Transient Evoked Otoacoustic Emissions (TEOAE).
Main Results:
- Statistically significant differences in hearing thresholds were observed between LP patients and controls, especially at high frequencies (4000-8000 Hz) in the right ear and across a broader range (125-8000 Hz) in the left ear.
- Among LP patients, 6 exhibited sensorineural hearing loss, 3 had conductive hearing loss, and 2 presented with mixed hearing loss.
- The type of hearing loss correlated with the extent of LP involvement (mucosal, cutaneous, or both).
Conclusions:
- Lichen planus is associated with various forms of hearing impairment, including sensorineural, conductive, and mixed hearing loss.
- Audiological evaluation is crucial for patients with Lichen planus to detect and manage potential hearing dysfunction.
