Pathologic and radiologic data. (A) High-power magnification of right cervical lymph node biopsy. Micrographs were acquired with an Olympus BX41 microscope (Tokyo, Japan) using a 40×/0.75 objective on cells stained with hematoxylin and eosin and in situ EBV staining (insert). Images were captured with a color mosaic camera (model no. 11.2) using Advanced Spot software, version 4.0.9 (Diagnostic Instruments, Sterling Heights, MI). (B) PCR for κ light chain gene rearrangement, HHV8 and EBV; positive controls are on the left, negative controls in the middle, and patient sample on the right for each set of PCRs. (C) Coronal sections of CT (left) and PET (right) scan before initiation of HAART. (D) Coronal sections of CT (left) and PET (right) scan after initiation of HAART and before chemotherapy.