Iatrogenic fractures in ankylosing spondylitis--a report of two cases.

Study Design: Two cases of intraoperative, iatrogenic cervical spine fractures in patients with ankylosing spondylitis are reported.

Objective: To describe the uncommon complication of iatrogenic cervical spine fractures occurring during spine surgery in patients with ankylosing spondylitis.

Summary Of Background Data: To our knowledge, this is the first report on this rare complication.