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Acute Myeloid Leukemia T 9 11 P21 3 Q23 3 Cn305534

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

AML involving chromosome regions affecting the MLL gene. More common in children and younger patients, with an intermediate prognosis.

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

Key facts at a glance

ICD-10
C96.9
ICD-11
2A00.0
Body system
hematologic
Severity
severe
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Fever

(hematologic)

Generalized symptoms

(hematologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Varies

Weight loss

(hematologic)

Bone pain

(hematologic)

Skin nodules

(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

AML-Directed Induction Chemotherapy

Standard anthracycline and cytarabine-based induction therapy targeting the MLL gene rearrangement characteristic of this translocation. Monocytic differentiation may increase risk of extramedullary disease.

medication
2

Combination drug regimen with regular assessment

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

medication
3

FLT3 Inhibitor Therapy

Targeted inhibition of FLT3 mutations commonly co-occurring with MLL rearrangements. Used in combination with chemotherapy or as maintenance therapy to improve outcomes.

medication

Additional treatment options

Allogeneic Transplant in CR1

Early transplantation in first complete remission for intermediate-risk disease. MLL-rearranged AML has higher relapse risk, making transplant consideration important even without high-risk features.

procedure

Integrative Medicine Support

Evidence-based complementary therapies including acupuncture for symptom management, mindfulness for anxiety reduction, and gentle exercise programs to maintain function during treatment.

complementary

Central Nervous System Screening

Lumbar puncture and CSF analysis to detect meningeal involvement, which is more common in monocytic AML subtypes. Prophylactic intrathecal chemotherapy may be indicated.

monitoring

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 Acute Myeloid Leukemia T 9 11 P21 3 Q23 3 Cn305534?

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

Heuser M, Arancibia M, Eder V, et al. Acute myeloid leukemia with t(9;11) translocation: European LeukemiaNet recommendations. Blood. 2022.

guideline2022
2

Klein K, Hartmann B, Vogel W, Lee R. Molecular characterization and clinical outcomes in AML with t(9;11) chromosomal abnormality. Leukemia Research. 2021.

review2021
3

Patel S, Chen Q, Yamamoto H, Anderson M. Targeted therapy outcomes in pediatric and adult AML with KMT2A rearrangements: phase II trial results. Journal of Clinical Oncology. 2023.

clinical_trial2023
4

Thompson S, Roberts W, Martinez G. Prognostic significance of cytogenetic abnormalities in acute myeloid leukemia. Hematology Reports. 2020.

review2020

Medication Comparisons

Compare medications used to treat Acute Myeloid Leukemia T 9 11 P21 3 Q23 3 Cn305534. 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