Myelodysplastic Syndrome Associated With Isolated Del 5q C1292779
A blood cell disorder where bone marrow fails to produce enough healthy blood cells. It mainly affects older adults and can cause anemia, infections, and bleeding problems. Treatment ranges from supportive care to chemotherapy.
Key facts at a glance
- ICD-10
- D64.9
- ICD-11
- 3A00.0
- Body system
- hematologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Shortness of breath with exertion
Fatigue
(hematologic)Generalized symptoms
(hematologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Need for red blood cell transfusion
(hematologic)Bone pain
(hematologic)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
Drug therapy with clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Lenalidomide
This immunomodulatory agent is specifically effective in MDS with isolated del(5q), targeting the deleted region of chromosome 5. It promotes erythroid response and reduces transfusion dependence in the majority of patients with this specific subtype.
Transfusion Support and Blood Count Monitoring
Regular complete blood counts and transfusion support for anemia help maintain quality of life and prevent cardiac complications from chronic low hemoglobin. Monitoring for iron overload is important in transfusion-dependent patients.
Additional treatment options
Allogeneic Stem Cell Transplant
For eligible patients with higher-risk disease or those who fail lenalidomide therapy, hematopoietic stem cell transplantation offers the only curative option. This involves intensive chemotherapy followed by infusion of donor stem cells.
procedureNutritional Support and Iron Management
Dietary counseling to ensure adequate protein and caloric intake supports bone marrow function. Monitoring and treatment of iron overload through chelation therapy may be necessary in transfusion-dependent patients.
dietaryHypomethylating Agents
Azacitidine or decitabine may be used in patients who are not candidates for lenalidomide or stem cell transplant. These agents work by altering DNA methylation patterns to promote normal blood cell differentiation.
medicationWhen 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.
What is Myelodysplastic Syndrome Associated With Isolated Del 5q C1292779?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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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 25, 2026. · Read our editorial policy