title: Absence of PAS-positive macrophages in hepatic and lymph node granulomata in Whipple's disease.
mesh_terms: D001365:Axilla; D006099:Granuloma / Q000473:pathology*; D006651:Histocytochemistry; D006801:Humans; D008099:Liver / Q000473:pathology; D008107:Liver Diseases / Q000473:pathology*; D008198:Lymph Nodes / Q000473:pathology*; D008264:Macrophages / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D010503:Periodic Acid-Schiff Reaction; D008061:Whipple Disease / Q000473:pathology*