. Author manuscript; available in PMC: 2015 Apr 22.

Published in final edited form as: Mod Pathol. 2012 Nov 16;26(0 1):S42–S56. doi: 10.1038/modpathol.2012.178

Table 2.

Plasmablastic lymphoma

	PBL of the oral mucosa type	PBL with plasmacytic differentiation
Histology	May have minimal plasmacytic differentiation	Plasmacytic differentiation marked
Clinical associations	Usually associated with HIV	May be associated with transplants, autoimmune disease, advanced age, rarely occurs in immunocompetent individuals
Site	Usually extranodal Often involves the oral cavity, nasal and paranasal sinuses	May involve lymph nodes Uncommon in the oral cavity
EBV-EBER	EBV positive in almost all cases	EBV positive in 60–75% of the cases

Abbreviations: DLBCL, diffuse large B-cell lymphoma; EBV, Epstein-Barr virus; PBL, plasmablastic lymphoma.