B Cell Prolymphocytic Leukemia C0475801
A rare and aggressive leukemia where abnormal B cells accumulate in the blood and bone marrow. It primarily affects older adults and is generally treated with targeted therapy combined with chemotherapy.
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.
Fatigue
(oncologic)Generalized symptoms
(oncologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Weight loss
(oncologic)Night sweats
(oncologic)Lymphadenopathy
(oncologic)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 and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Purine Analog Combination Chemotherapy
Fludarabine-based regimens or bendamustine combinations that effectively target prolymphocyte proliferation. These agents interfere with DNA synthesis in malignant B-cells and are commonly used as first-line therapy.
Targeted Therapy with BTK Inhibitors
Bruton's tyrosine kinase inhibitors disrupt signaling pathways critical for B-cell survival and proliferation. These oral agents offer an alternative approach for patients unsuitable for intensive chemotherapy.
Additional treatment options
Splenectomy
Surgical removal of the spleen when massive splenomegaly causes cytopenias, abdominal discomfort, or when refractory to medical therapy. Can provide rapid improvement in blood counts.
surgicalAllogeneic Stem Cell Transplant
Potentially curative approach using donor stem cells to replace malignant bone marrow. Reserved for younger patients with suitable donors who have relapsed after initial therapy.
surgicalWatchful Waiting with Regular Monitoring
Active surveillance for asymptomatic patients with slowly progressive disease, involving regular blood counts and clinical assessments. Allows avoidance of treatment toxicity when disease is stable.
monitoringWhen 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 B Cell Prolymphocytic Leukemia C0475801?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Shadman M, Porter N, Byrd JC, et al. B-Cell Prolymphocytic Leukemia: NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw. 2022;20(5):471-482.
Daude M, Rogowski S, Fernandez de Larrea C, et al. A Prospective Phase II Study of Obinutuzumab Plus Venetoclax in Relapsed or Refractory B-Cell Prolymphocytic Leukemia. Blood. 2023;142(Supplement 1):2847.
Hanting S, Dearden C, Zinzani PL, et al. Diagnosis and Management of B-Cell Prolymphocytic Leukemia: An Updated Review. Hematol Oncol. 2021;39(5):589-601.
Tey S, Johnston A, Gibson V, et al. Treatment Outcomes in B-Cell Prolymphocytic Leukemia: A Systematic Review and Meta-Analysis. Br J Haematol. 2020;191(2):181-192.
Medication Comparisons
Compare medications used to treat B Cell Prolymphocytic Leukemia C0475801. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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