AIDS-associated plasmablastic lymphoma presenting as a poorly differentiated esophageal tumor: A diagnostic dilemma

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Jul 21, 2008 (publication date) through Nov 29, 2024

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Jul 21, 2008; 14(27): 4395-4399
Published online Jul 21, 2008. doi: 10.3748/wjg.14.4395

Table 1 Immunohistochemical findings of esophagogastric mass

Type	Antigen	Immunoreactivity
Epithelial markers	Cytokeratin 35BH11	Negative
	EMA	Diffusely positive
	BER-EP4	Negative
Lymphoid markers	CD-45	Positive
	CD-3	Negative
	CD20	Negative
	CD79a	Equivocally positive in some cells
	PAX-5	Negative
	CD30	Negative
	CD138	Positive (patchy, strong)
B-cell transcription factors	Bob-1	Positive
B-cell transcription factors	Oct-2	Positive
Melanocyte markers	Melan-A	Negative
	HMB-45	Negative
	S100	Negative
Viral markers	HHV-8	Negative
	EBV (in situ hybridization)	Positive

EMA: Epithelial membrane antigen; PAX-5: Paired box gene-5; HHV-8:Human Herpes Virus type-8; EBV: Epstein Barr virus.

Citation: Mani D, Jr DGG, Aboulafia DM. AIDS-associated plasmablastic lymphoma presenting as a poorly differentiated esophageal tumor: A diagnostic dilemma. World J Gastroenterol 2008; 14(27): 4395-4399
URL: https://www.wjgnet.com/1007-9327/full/v14/i27/4395.htm
DOI: https://dx.doi.org/10.3748/wjg.14.4395