In AIDS , lymphadenopathy is most often due to -

Persistent Generalized Lymphadenopathy HIV patients develop PGL as an early clinical manifestation of HIV infection PGL is defined as presence of >1LN in two or three extra-inguinal sites for >3 months without an obvious cause Enlargement is due to follicular hyperplasia Ref: Harrison's 19th edition Pgno :1232-1233