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Association of the Epstein-Barr Viruses with Hodgkin Lymphoma: An Analysis of Pediatric Cases in Thailand

782

Vichitra Hemsrichart, MD*,
Jarupan Pintong, MSc*

* Institute of Pathology, Department of Medical Services, Ministry of Public Health

Abstract


An investigation as to whether any association of pediatric HL in Thailand was likely to be EBV positive was performed on formalin-fixed paraffin embedded tissue sections using in situ hybridization for EBV encoded RNA (EBER) technique. The analysis was performed on 15 cases. They were 11 male and 4 female cases. The subtypes of HL according to WHO classification were nodular lymphocyte predominance in 1 (6.6%), nodular sclerosis in 4 (26.6%), mixed cellularity in 9 (60%) and lymphocyte depletion in 1 (6.6%). EBV encoded RNA by in situ hybridization was demonstrated in 92.8% of classic HL: 3 of 4 (75%) with nodular sclerosis; 9 of the 9 with mixed cellularity (100%) and 1 of 1 (100%) with lymphocyte depletion. Case of nodular lymphocyte predominance was negative for EBV, CD 15 CD 30 and positive for CD 20. CD 15 and CD 30 were positive in 78.6% and 85% respectively for classic HL.Our results suggest a strong association of EBV with pediatric classic HL (92.3%) particularly the mixed cellularity subtype (100%). The result confirms the male predominance in pediatric HL. Mixed cellularity is the most common subtype of HL in our series (60%).

Keyword : Epstein-Barr viruses, Hodgkin lymphoma, Pediatric cases, Thailand



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