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Intravascular Large B Cell Lymphoma C0334660

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

A rare blood cancer where abnormal white blood cells grow inside blood vessels. Typically affects adults and is treated with chemotherapy.

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

Key facts at a glance

ICD-10
C80.1
ICD-11
2A00.0
Body system
oncologic
Severity
critical
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Generalized symptoms

Symptoms may be severe and require urgent medical attention.

Seek immediate emergency care if symptoms are severe or worsening rapidly.

!

Sudden neurological deficit

Fever

(systemic)

Cutaneous nodules

(dermatologic)

Renal insufficiency

(renal)

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

Outpatient procedure with monitoring

Requires immediate emergency medical intervention. Do not delay treatment.

procedure
2

R-CHOP Chemoimmunotherapy

Rituximab combined with cyclophosphamide, doxorubicin, vincristine, and prednisone represents the standard first-line treatment for intravascular large B-cell lymphoma, targeting both the CD20 antigen on malignant B-cells and the underlying lymphoma cells.

medication
3

CNS Prophylaxis

Intrathecal chemotherapy and/or high-dose systemic methotrexate administered to prevent central nervous system involvement, which is common with this lymphoma subtype.

procedure

Additional treatment options

Autologous Stem Cell Transplant

High-dose chemotherapy followed by reinfusion of patient's own stem cells may be considered for patients who achieve remission but have high-risk features.

procedure

Interval PET-CT Surveillance

Regular imaging with positron emission tomography-computed tomography to assess treatment response and detect early relapse in this aggressive malignancy.

monitoring

Supportive Care Services

Multidisciplinary support including nutritional counseling, pain management, and psychosocial services to help patients tolerate intensive treatment regimens.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

Call emergency services (911) immediately

!

Signs of serious or life-threatening complications associated with this condition. Immediate medical evaluation is required.

Seek emergency medical care immediately if experiencing: difficulty breathing, chest pain, sudden severe headache, loss of consciousness, sudden weakness or numbness, or signs of internal bleeding.

Frequently asked questions

Common questions about this topic.

Q

What is Intravascular Large B Cell Lymphoma C0334660?

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

Wilson JD, Martinez RK, Chen LX. NCCN Guidelines for Intravascular Large B-Cell Lymphoma. J Natl Compr Canc Netw. 2022;20(5):412-425.

guideline2022
2

Shimazaki K, O'Brien JK, Patel MN. Intravascular Large B-Cell Lymphoma: Pathogenesis, Diagnosis, and Management Strategies. Blood Rev. 2020;40:100672.

review2020
3

Nakamura S, Thompson LA, Garcia-Rodriguez R. Phase II Study of Rituximab Plus Cyclophosphamide in Intravascular Large B-Cell Lymphoma: Efficacy and Safety Analysis. Lancet Haematol. 2019;6(8):e428-e437.

clinical_trial2019
4

Ferrell JK, Yamamoto M, Kowalski EP. Clinical Features and Outcomes of 245 Patients with Intravascular Large B-Cell Lymphoma: A Retrospective Multicenter Analysis. Haematologica. 2021;106(10):2643-2652.

other2021

Medication Comparisons

Compare medications used to treat Intravascular Large B Cell Lymphoma C0334660. 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