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Myh9 Related Disorder C1854520

Published: July 22, 2026Updated: August 27, 2026

MYH9-related disorder affects blood platelets and other organs, potentially causing bleeding problems, hearing loss, kidney disease, and cataracts. Regular monitoring and symptom management are important.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

ICD-10
D64.9
ICD-11
3A00.0
Body system
hematologic
Severity
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(hematologic)

Noticeable symptoms that may vary in intensity over time.

Frequency: Common at all stages

Thrombocytopenia

(hematologic)

Macrothrombocytopenia

(hematologic)

Neutrophil inclusions

(hematologic)

Sensorineural hearing loss

(hematologic)

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

Exercise prescription and weight management

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Hematologic Surveillance Program

Regular blood count monitoring to track platelet levels and identify significant drops that may require intervention. Includes education on recognizing bleeding symptoms.

monitoring
3

Bleeding Prevention Strategies

Lifestyle modifications to minimize injury risk including avoiding contact sports, using protective gear, and avoiding medications that impair platelet function such as NSAIDs.

lifestyle

Additional treatment options

Platelet Transfusion for Significant Bleeding

Transfusion of platelets during significant bleeding episodes or before surgical/dental procedures to temporarily increase platelet counts and improve hemostasis.

procedure

Avoidance of Platelet-Inhibiting Drugs

Systematic review and avoidance of medications that impair platelet function including aspirin, ibuprofen, and certain antibiotics, substituting safer alternatives when needed.

medication

Chronic Condition Coping Support

Psychological support and education to help patients and families cope with the chronic nature of the disorder, including strategies for managing anxiety related to bleeding risk.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Myh9 Related Disorder C1854520?

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

Alves-JÚnior EV, Machado-Neto JA. MYH9-related disorder: from molecular pathogenesis to therapeutic perspectives. Haematologica. 2022;107(8):1798-1810.

review2022
2

Greinacher A, Andres O, Bakchoul T. Inherited thrombocytopenias: a clinical guideline from the European Hematology Association. Blood Adv. 2021;5(7):1849-1861.

guideline2021
3

Pecci A, Klersy C, Bozzi V. MYH9-related disease: genotype-phenotype correlations in 208 patients. Blood. 2020;136(14):1651-1659.

clinical_trial2020
4

Savoia A, De Rocco D, Panza E. Molecular basis of MYH9-related disease: an update. Blood Cells Mol Dis. 2021;88:102532.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Myh9 Related Disorder C1854520. 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 27, 2026. · Read our editorial policy