MedicinePathologyAutoimmunityCytopathologyHistopathologyAutoimmune DiseasesAutoimmune Rheumatic DiseasesFine-needle Aspiration CytologyLymph Node CytologyLymphoid TissueSystemic Lupus ErythematosusAutoimmune LymphadenopathyDiagnostic CytomorphologyLymph Node Fine-needle Aspiration CytologyLymphoid Tissue HistopathologyNecrotizing LymphadenitisSystemic Lupus Erythematosus Diagnostics
This case report describes the aspiration cytologic characteristics of histologically proven acute lupus lymphadenitis. The aspirate contained numerous lymphoid cells and many amorphous, basophilic, hematoxylin-stained bodies dispersed in a granular, necrotic background that lacked polymorphonuclear leukocytes. The lymphadenopathy was diagnosed cytologically as necrotizing lymphadenitis and histologically as acute lupus lymphadenitis.