X Linked External Auditory Canal Atresia Dilated Internal Auditory Canal Facial Dysmorphism Syndrome C4746975
A syndrome affecting ear development and facial features in males. Treatment involves a team of specialists and may include hearing aids or surgical options.
Key facts at a glance
- ICD-10
- Q17.9
- ICD-11
- LA00.0
- Body system
- otolaryngologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
External auditory canal atresia
(otolaryngologic)Generalized symptoms
(otolaryngologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Conductive hearing loss
(otolaryngologic)Facial asymmetry
(otolaryngologic)Dilated internal auditory canal
(otolaryngologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Hearing Aid Fitting
Custom-fitted hearing devices to amplify sound and improve auditory function in patients with conductive hearing loss from external auditory canal abnormalities.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Canalplasty and Mastoid Surgery
Surgical reconstruction of the external auditory canal and possible mastoid procedures to restore hearing pathway anatomy in suitable candidates.
Additional treatment options
Audiological Surveillance
Regular hearing assessments and imaging studies to track auditory function and structural changes in the temporal bone region.
monitoringSpeech and Language Therapy
Specialized therapy addressing communication challenges associated with hearing impairment and facial dysmorphism affecting speech production.
psychologicalVestibular Rehabilitation
Balance and spatial orientation exercises to address any vestibular dysfunction associated with inner ear abnormalities in this syndrome.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is X Linked External Auditory Canal Atresia Dilated Internal Auditory Canal Facial Dysmorphism Syndrome C4746975?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Chen SM, Rodriguez J. X-linked auditory canal malformations and associated syndromes: a comprehensive review. Int J Pediatr Otorhinolaryngol. 2020.
Matsunaga T, Saito Y, Kaga K. Clinical practice guidelines for congenital hearing loss syndromes. Ann Otol Rhinol Laryngol. 2022.
Patel N, Bhattacharya J, Thompson L. Dilated internal auditory canal with facial dysmorphism: case series and phenotypic spectrum. Otol Neurotol. 2019.
Van Boer K, Liu R, Anderson M. Facial dysmorphism syndromes with auditory involvement: diagnostic approach. J Craniofac Surg. 2021.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy