title: Atypical cells in pleural fluid characteristic of systemic lupus erythematosus.
mesh_terms: D000328:Adult; D003581:Cytodiagnosis; D003937:Diagnosis, Differential; D005260:Female; D006652:Histological Techniques; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000175:diagnosis*; D008214:Lymphocytes; D008854:Microscopy, Electron; D008856:Microscopy, Fluorescence; D010994:Pleura / Q000473:pathology; D010996:Pleural Effusion; D013194:Staining and Labeling