Published on Apr 14, 2023
Update !

KSHV/HHV8-positive diffuse large B-cell lymphoma (DLBCL) is a large B-cell lymphoma consistently associated with Kaposi sarcoma herpesvirus/ human herpesvirus 8 (KSHV/HHV8), in general presenting in patients with profound immunodeficiency, but may occur in non-immunocompromised patients. The tumour cells morphologically resemble plasmablasts or immunoblasts and have abundant cytoplasmic IgM.

Essential:

  • Presentation with primary nodal and/or splenic involvement;
  • Effacement of architecture by large blasts/transformed B-cells with generally plasmablastic, immunoblastic or anaplastic morphology;
  • Positive immunostaining for LANA (KSHV/HHV8) and IgM


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