The authors describe three cases of systemic lupus erythematosus (SLE)
associated with Kikuchi's histiocitic necrotizing lymphadenitis (HNL)
. Two patients presented a cytomegalovirus infection concomitantly wit
h Kikuchi's lymphadenitis; in one of them the onsets of SLE and HNL we
re simultaneous. In the third case an inguinal HNL was concomitant wit
h vaginitis of unknown aetiology.