Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A", seen in early phase HIV). Contributor: @KyleBradleyMD "Pattern A" in HIV Lymphadenitis Florid follicular hyperplasia (follicles often resemble animal crackers or continents!) Other common findings include: A. Follicle lysis B. Warthin-Finkeldey type giant cells C. Highly proliferative germinal centers D. Monocytoid B cells #HIV #EarlyPhase #Lymphadenitis #PatternA #Pathology #Microscopy #LymphNode #Clinical
