Fig. 4From: Tertiary syphilis in the lumbar spine: a case reportLateral X-ray of the lumbar spine follow-up from postoperation 3 months, 6 months, 9 months and 12 months. It showed the screws were loosed and bone grafts were absorbed gradually. There is a Charcot’s arthropathy between L4 and L5. PO, postoperationBack to article page