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  Indian J Med Microbiol
 

Figure 1: (a): Ulcer with polymorphous infiltrate at the base. (H and E × 100), (b): Scattered large transformed cells. (H and E × 400), (c): Backgound lymphocytes are immunopositive for CD3 (× 200), (d): Backgound T- lymphocytes are mainly immunopositive for CD8 (× 200), (e): Scattered large transformed cells show positivity for CD30 (× 400), (f): Scattered large transformed cells show positivity for EBV-LMP1 (× 400), (g): Nuclear positivity in large cells for Pax5 (× 200), (h): Nuclear positivity in large cells for MUM1 (× 400), (i): Large cells are immunonegative for p40. (× 200)

Figure 1: (a): Ulcer with polymorphous infiltrate at the base. (H and E × 100), (b): Scattered large transformed cells. (H and E × 400), (c): Backgound lymphocytes are immunopositive for CD3 (× 200), (d): Backgound T- lymphocytes are mainly immunopositive for CD8 (× 200), (e): Scattered large transformed cells show positivity for CD30 (× 400), (f): Scattered large transformed cells show positivity for EBV-LMP1 (× 400), (g): Nuclear positivity in large cells for Pax5 (× 200), (h): Nuclear positivity in large cells for MUM1 (× 400), (i): Large cells are immunonegative for p40. (× 200)