title: Picture of the month--quiz case.
authors.affiliation: Soroka University Hospital, Beersheva, Israel.
authors.forename: Eric J
authors.initials: EJ
authors.lastname: Haas
authors.forename: Linda
authors.initials: L
authors.lastname: Ernst
mesh_terms: D018771:Arthralgia / Q000175:diagnosis; D018416:Bartonella henselae / Q000302:isolation & purification*; D001707:Biopsy, Needle; D002372:Cat-Scratch Disease / Q000175:diagnosis* / Q000473:pathology; D002675:Child, Preschool; D003287:Contrast Media; D003937:Diagnosis, Differential; D005260:Female; D006621:Hip Joint / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D007150:Immunohistochemistry; D008206:Lymphatic Diseases / Q000175:diagnosis*; D008279:Magnetic Resonance Imaging / Q000379:methods; D009220:Myositis / Q000175:diagnosis; D010019:Osteomyelitis / Q000175:diagnosis; D011856:Radiographic Image Enhancement; D012075:Remission, Spontaneous; D014057:Tomography, X-Ray Computed / Q000379:methods
chemical_list: D003287:Contrast Media