title: Polyarthritis with birefringent lipid within synovial fluid macrophages: case report and ultrastructural study.
mesh_terms: D000293:Adolescent; D001168:Arthritis / Q000473:pathology*; D001718:Birefringence; D002908:Chronic Disease; D006801:Humans; D002479:Inclusion Bodies / Q000648:ultrastructure*; D007424:Intracellular Fluid / Q000166:cytology; D008055:Lipids; D008264:Macrophages / Q000648:ultrastructure*; D008297:Male; D013582:Synovial Fluid / Q000166:cytology*
chemical_list: D008055:Lipids