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HIV-Associated Plasmablastic Lymphoma: Aggressive AIDS-Defining Malignancy

Rare aggressive B-cell lymphoma with plasmablastic morphology, MYC rearrangements and association with HIV requiring intensive multimodal therapy

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Hematoloji department. Book Appointment →

What is HIV-Associated Plasmablastic Lymphoma: Aggressive AIDS-Defining Malignancy?

Plasmablastic lymphoma is aggressive B-cell lymphoma with plasmablastic morphology lacking mature B-cell markers but expressing plasma cell antigens.

MYC gene rearrangements occur in 50-70% with poor prognostic implications similar to other high-grade B-cell lymphomas.

Epstein-Barr virus association is common particularly in HIV-positive and post-transplant cases.

AIDS-defining malignancy first described in oral cavity of HIV-positive patients with strong association with HIV/AIDS.

Extranodal disease predominance with oral cavity, gastrointestinal tract, lymph nodes and bone marrow common sites.

Symptoms

Rapid-growing painless mass particularly in oral cavity, jaw, gastrointestinal tract or extranodal sites.
B symptoms including fever, night sweats, weight loss reflect aggressive disease biology.
Local symptoms depend on tumor location with oral cavity tumors causing dysphagia, dental displacement.
Bone marrow involvement with cytopenias, peripheral lymphadenopathy in advanced disease.
Symptoms of HIV/AIDS in HIV-positive patients including opportunistic infections, weight loss, immunodeficiency.

Risk Factors

HIV/AIDS with severe immunosuppression and uncontrolled viremia is major risk factor.
Post-transplant immunosuppression including solid organ and hematopoietic stem cell transplant recipients.
EBV reactivation in immunosuppressed states drives lymphomagenesis.
Older age in immunocompetent patients with poor prognosis variant.
Specific HIV-related risk factors including low CD4 count and uncontrolled HIV viral load.

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Rapidly enlarging mass particularly in oral cavity, jaw or extranodal site warrants urgent biopsy and oncologic evaluation.
  • HIV-positive patients with new mass, lymphadenopathy or B symptoms require comprehensive evaluation including imaging and biopsy.
  • Confirmed plasmablastic lymphoma diagnosis requires expedited tertiary referral to lymphoma specialty center.
  • Concurrent HIV management with antiretroviral therapy initiation or optimization is essential.
  • Multidisciplinary care including hematology, infectious diseases, radiation oncology, oral surgery, palliative care optimizes outcomes.

Treatment Methods

01
Dose-adjusted EPOCH regimen with etoposide, prednisone, vincristine, cyclophosphamide, doxorubicin shows activity.
02
Bortezomib addition exploiting plasma cell biology provides additional treatment option in selected cases.
03
Combination antiretroviral therapy continued or initiated in HIV-positive patients essential for outcomes.
04
Central nervous system prophylaxis with intrathecal methotrexate considered for high-risk disease.
05
Comprehensive supportive care including infection prophylaxis with HIV-specific considerations including Pneumocystis pneumonia prophylaxis, antifungal prophylaxis, antiretroviral therapy management with attention to drug interactions, growth factor support, transfusion support, palliative care integration optimizes outcomes for this aggressive AIDS-defining malignancy.

Which Department to Visit?

You can visit our Hematoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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