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J Am Acad Orthop Surg, Vol 17, No 12, December 2009, 775-786.
© 2009 the American Academy of Orthopaedic Surgeons
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Commonly Missed Peritalar Injuries

Joseph X. Kou, MD and Paul T. Fortin, MD

Dr. Kou is Attending Surgeon, Department of Orthopaedic Surgery, Muir Orthopaedic Specialists, Walnut Creek, CA. Dr. Fortin is Attending Surgeon, Department of Orthopaedic Surgery, William Beaumont Hospital/Oakland Orthopaedic Surgeons, Royal Oak, MI.

Neither of the following authors nor a member of their immediate families has received anything of value from or owns stock in a commercial company or institution related directly or indirectly to the subject of this article: Dr. Kou and Dr. Fortin.

Reprint requests: Dr. Kou, Department of Orthopaedic Surgery, Muir Orthopaedic Specialists, 2405 Shadelands Drive, Walnut Creek, CA 94598.

Because of the effect on hindfoot kinematics, missed or delayed diagnosis of peritalar injuries often results in impairment. The seemingly innocuous nature of these injuries, subtle radiographic findings, and low incidence limit familiarity, thereby increasing the likelihood of misdiagnosis. Because of delay in diagnosis, salvage arthrodesis may be necessary to restore function to the extremity. Talar head fracture, talar process fracture, subtalar fracture-dislocation, transverse tarsal joint fracture, and transverse tarsal ligamentous disruption with instability are recurrently misdiagnosed. The keys to proper diagnosis of these potentially devastating injuries are the recognition of their existence, their injury patterns, and their radiographic appearance. The threshold for additional imaging studies should be lowered when a patient has pain and physical examination findings are out of proportion to a provisional diagnosis, or when symptoms fail to improve.






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