H83.1

Clinical Causes: Chronic and active infections of the middle or inner ear Erosions resulting from cholesteatoma, an abnormal skin growth in the ear Trauma from head injuries or surgical procedures Pre-existing conditions that weaken the inner ear structures Malignant or benign tumors affecting the ear or nearby regions

Key Symptoms: Vertigo or spinning sensations, often triggered by ear movements Unilateral or bilateral hearing loss, sometimes sudden or progressive Tinnitus, ringing or buzzing sounds in the affected ear A sense of fullness or pressure in the ear Fluid or clear discharge from the ear in certain cases Balance difficulties, unsteady gait, or dizziness

Diagnosis Path: Diagnosing a labyrinthine fistula involves a combination of clinical examination and specialized tests. Otoscopic exams can reveal signs of ear infections or cholesteatoma. Audiometry assessments measure hearing levels to identify loss patterns. Imaging studies such as high-resolution computed tomography (CT) scans of the temporal bone are essential for visualizing the fistula and assessing structural damage. In some cases, vestibular testing is performed to evaluate balance function and involvement of the inner ear components.

Treatment Protocols: Management strategies depend on the severity and underlying cause of the fistula. Treatment options may include: - Surgical repair to close the fistula and repair any damage to the ear structures, often combined with removal of cholesteatoma or other lesions - Antibiotic or antiviral medications if an infection is present - Vestibular rehabilitation therapy to help cope with balance issues - Regular monitoring and follow-up to assess hearing and balance function after treatment Choosing the appropriate treatment approach requires consultation with specialized ear, nose, and throat (ENT) professionals, who can tailor interventions based on individual cases.