Leukemia Lymphoma Adult T Cell C0023493
A rare blood cancer of T-cells caused by HTLV-1 infection, more common in certain geographic regions. It tends to be aggressive and requires chemotherapy, sometimes combined with antiviral therapy. Prognosis varies depending on the subtype and response to treatment.
Key facts at a glance
- ICD-10
- C80.1
- ICD-11
- 2A00.0
- Body system
- oncologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Hypercalcemia symptoms (fatigue, confusion, polyuria)
Opportunistic infections (e.g., Pneumocystis jirovecii pneumonia)
Diffuse pruritic skin rash
(integumentary)Generalized symptoms
(oncologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Lymphadenopathy
(lymphatic)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
Chemotherapy
Systemic chemotherapy using combination drug regimens to target and destroy malignant T-cells. Treatment typically involves multiple cycles administered over several months with regular monitoring of blood counts and organ function.
Drug therapy and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Allogeneic Stem Cell Transplantation
Procedure involving replacement of diseased bone marrow with healthy stem cells from a matched donor. This intensive treatment is typically reserved for patients who achieve remission after initial chemotherapy.
Additional treatment options
Targeted Biologic Therapy
Monoclonal antibody therapy designed to specifically target proteins expressed on malignant T-cell surfaces. This approach may offer fewer side effects compared to traditional chemotherapy while maintaining efficacy.
medicationDisease Surveillance and Imaging
Regular monitoring through blood tests, imaging studies, and periodic bone marrow evaluation to assess treatment response and detect early signs of recurrence. Frequency depends on disease phase and treatment status.
monitoringSupportive Care and Nutritional Support
Comprehensive supportive care including nutritional counseling, infection prevention strategies, and fatigue management. Focuses on maintaining quality of life and supporting the immune system during and after active treatment.
lifestyleWhen 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 Leukemia Lymphoma Adult T Cell C0023493?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy