title: A mysterious pancytopenia.
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000150:complications / Q000175:diagnosis*; D010019:Osteomyelitis / Q000175:diagnosis; D010198:Pancytopenia / Q000175:diagnosis* / Q000209:etiology