Syphilis with Charcot arthropathy: A case report

: Syphilis is a chronic systemic infectious disease involving multiple organs. Involvement of skeletal system by syphilis including osteochondritis, osteoarthritis, periostitis, and osteitis. Charcot arthropathy is an unusual concomitant disease of syphilis, and the incidence had decreased significantly these decades. The present authors report a case of syphilis presenting with Charcot arthropathy of bilateral ankle joints.