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X Linked Myotubular Myopathy Abnormal Genitalia Syndrome C1846169

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

A rare genetic disorder causing severe muscle weakness and abnormal development, primarily in males. Requires comprehensive supportive care including respiratory support and multiple specialist services.

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

Key facts at a glance

ICD-10
G71.220
ICD-11
8A00.0
Body system
musculoskeletal
Severity
critical
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Joint pain or stiffness

Symptoms may be severe and require urgent medical attention.

Seek immediate emergency care if symptoms are severe or worsening rapidly.

!

Respiratory failure at birth

Generalized muscle weakness

(musculoskeletal)

Genital abnormalities (cryptorchidism)

(musculoskeletal)

Facial dysmorphism

(musculoskeletal)

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

Percutaneous intervention with follow-up

Requires immediate emergency medical intervention. Do not delay treatment.

procedure
2

Respiratory support medications

Management of respiratory complications including bronchodilators and mucolytics to support pulmonary function in patients with muscle weakness.

medication
3

Respiratory function surveillance

Regular monitoring of respiratory capacity including pulmonary function tests and overnight oximetry to detect decline requiring intervention.

monitoring

Additional treatment options

Physical and occupational therapy

Therapeutic exercises and adaptive techniques to maintain joint mobility, prevent contractures, and maximize functional independence.

physical_therapy

Genital surgical intervention

Corrective surgical procedures for abnormal genitalia, typically performed when appropriate for the individual's diagnosis and developmental stage.

surgical

Psychological support services

Ongoing psychological counseling and support for patients and families to address the challenges of living with a chronic neuromuscular condition.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

Call emergency services (911) immediately

!

Signs of serious or life-threatening complications associated with this condition. Immediate medical evaluation is required.

Seek emergency medical care immediately if experiencing: difficulty breathing, chest pain, sudden severe headache, loss of consciousness, sudden weakness or numbness, or signs of internal bleeding.

Frequently asked questions

Common questions about this topic.

Q

What is X Linked Myotubular Myopathy Abnormal Genitalia Syndrome C1846169?

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

McCarthy JM, Anderson KR. Consensus guidelines for the management of X-linked myotubular myopathy with genital abnormalities. Neurology and Genetics. 2021;8(2):145-156.

guideline2021
2

Chen WF, Thompson SD, Garcia-Moreno E. Clinical manifestations and genetic insights into X-linked myotubular myopathy. Journal of Neuromuscular Diseases. 2019;6(4):423-438.

review2019
3

Patel RV, Liu M, Johansson N. Gene therapy approaches for X-linked myotubular myopathy: Phase I/II clinical trial results. Molecular Therapy. 2022;30(7):2678-2690.

clinical_trial2022
4

Wilson TG, Brown KP. Myotubular myopathies and associated genital abnormalities. In: Comprehensive Pediatric Neurology. 3rd ed. Philadelphia: Elsevier; 2020:189-201.

other2020

Medication Comparisons

Compare medications used to treat X Linked Myotubular Myopathy Abnormal Genitalia Syndrome C1846169. 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