title: What is the primary lesion in SpA dactylitis?
authors.forename: I
authors.initials: I
authors.lastname: Olivieri
authors.forename: S
authors.initials: S
authors.lastname: D'Angelo
authors.forename: E
authors.initials: E
authors.lastname: Scarano
authors.forename: A
authors.initials: A
authors.lastname: Padula
mesh_terms: D005384:Finger Joint / Q000473:pathology; D005385:Fingers / Q000473:pathology*; D033023:Foot Joints / Q000473:pathology; D006801:Humans; D008279:Magnetic Resonance Imaging; D012216:Rheumatic Diseases / Q000150:complications / Q000473:pathology; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000473:pathology; D013585:Synovitis / Q000150:complications / Q000473:pathology; D013717:Tenosynovitis / Q000150:complications* / Q000473:pathology; D014034:Toes / Q000473:pathology