Here is a lymph node with florid follicular hyperplasia ...
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Description

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
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Pathnologic
@pathnologic
Path Geek - All things #pathology
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