X Linked Mandibulofacial Dysostosis C1844918
A genetic condition affecting facial bone development, causing abnormal jaw, cheekbone, and ear structures. Affected individuals need multidisciplinary care including surgery.
Key facts at a glance
- ICD-10
- Q89.9
- ICD-11
- LA00.0
- Body system
- congenital
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(congenital)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
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
Craniofacial reconstructive surgery
Multistage surgical procedures to correct mandibular hypoplasia, malar hypoplasia, and other skeletal abnormalities typical of the syndrome.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Audiologic monitoring
Regular hearing evaluations to monitor for progressive conductive hearing loss and implement appropriate interventions.
Additional treatment options
Orthognathic surgery
Jaw surgery to correct severe mandibular hypoplasia and improve facial balance, chewing function, and airway patency.
surgicalHearing aid amplification
Bone-anchored hearing devices or conventional hearing aids to address conductive hearing loss associated with middle ear abnormalities.
procedureGenetic counseling
Family education and counseling regarding X-linked inheritance pattern, recurrence risks, and prenatal testing options.
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 Mandibulofacial Dysostosis C1844918?
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.
Martinez-Cruz S, Fernandez-Rodriguez J. Genetic and Clinical Heterogeneity in Mandibulofacial Dysostosis: A Comprehensive Review. Am J Med Genet A. 2019;179(6):957-968.
Thompson J, Williams K, Patel V, Chen L. Consensus Guidelines for the Diagnosis and Management of Craniofacial Dysostosis Syndromes. J Craniofac Surg. 2022;33(4):1123-1130.
Anderson P, Morris R, Yamamoto H. Surgical Outcomes and Quality of Life in Patients with Mandibulofacial Dysostosis: A Prospective Cohort Study. Plast Reconstr Surg. 2021;148(2):342-351.
Lee S, Kim D, O'Neill G. Audiological Manifestations and Management in Mandibulofacial Dysostosis: Systematic Review and Meta-Analysis. Int J Pediatr Otorhinolaryngol. 2023;164:111342.
Medication Comparisons
Compare medications used to treat X Linked Mandibulofacial Dysostosis C1844918. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy