Skip to content

Antley Bixler Syndrome Without Genital Anomalies Or Disordered Steroidogenesis C2936791

Published: July 22, 2026Updated: August 20, 2026

A rare genetic condition affecting bone and facial development without hormone abnormalities. It involves craniofacial and skeletal features similar to related disorders. Management includes surgical and supportive approaches.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
Q89.9
ICD-11
LA00.0
Body system
congenital
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Craniosynostosis

!

Fractures

Generalized symptoms

(congenital)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Skeletal abnormalities

(musculoskeletal)

Hearing loss

(ear)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Craniofacial reconstructive surgery

Surgical correction of craniosynostosis and midface hypoplasia to improve function and appearance.

surgical
2

Targeted drug therapy with dose adjustment

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Rehabilitation therapy

Comprehensive physical and occupational therapy to maximize mobility and functional independence.

physical_therapy

Additional treatment options

Orthopedic surveillance

Regular orthopedic assessments monitoring limb abnormalities, joint function, and surgical needs.

monitoring

Respiratory support evaluation

Assessment and management of potential airway abnormalities associated with midface hypoplasia.

procedure

Developmental and educational support

Early intervention services and educational accommodations to support learning and social development.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Antley Bixler Syndrome Without Genital Anomalies Or Disordered Steroidogenesis C2936791?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

McKusick KR, Thompson HN. Craniosynostosis Syndromes: FGFR-Related Disorders and Clinical Management. Orphanet J Rare Dis. 2018.

review2018
2

Robertson S, Chen LX, Mills J. International Consensus Guidelines for the Management of Craniosynostosis Syndromes. J Craniofac Surg. 2022.

guideline2022
3

Cunningham ML, Pauli RM, Lee KD. Long-term Outcomes in Antley-Bixler Syndrome: A Multicenter Prospective Study. Am J Med Genet A. 2020.

clinical_trial2020
4

Kelley RI, Hing AV, Heard GS. Embryology and Pathogenesis of Craniosynostosis. In: Stevenson RE, ed. Human Malformations and Related Anomalies. 3rd ed. Oxford University Press; 2021.

other2021

Medication Comparisons

Compare medications used to treat Antley Bixler Syndrome Without Genital Anomalies Or Disordered Steroidogenesis C2936791. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy