PMC8577484_01
Axillary lymph node biopsy. Medium power photomicrographs showing (A) hyaline vascular changes in a follicle with mantle cell hyperplasia and (B) HHV-8 positivity in mantle cells and in the periphery of the follicle.
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An excisional right axillary lymph node biopsy showed marked polyclonal plasmacytosis, focal hyaline vascular change in follicles and mantle cell hyperplasia (Fig. 1A) with HHV-8 positivity (Fig. 1B), mainly in mantle cells.