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Lateral roentgenographic projections of the acromioclavicular joint

Hughston Orthopaedic Clinic, Columbus, Georgia Department of Orthopaedics, Division of Sports Medicine, Tulane University School of Medicine, New Orleans, Louisiana

Lyle A. Norwood, MD

Hughston Orthopaedic Clinic, Columbus, Georgia Department of Orthopaedics, Division of Sports Medicine, Tulane University School of Medicine, New Orleans, Louisiana

Richard G. Alvarez, MD

Hughston Orthopaedic Clinic, Columbus, Georgia Department of Orthopaedics, Division of Sports Medicine, Tulane University School of Medicine, New Orleans, Louisiana

Although the acromioclavicular joint is frequently in jured in both contact and noncontact sports, the treat ment is nonspecific, as demonstrated by the numerous methods of treatment currently employed. Despite treatment, some shoulders still develop chronic symp toms and disability during overhead lifting, throwing, and swinging. Perhaps these difficulties develop as a result of an incomplete evaluation of the joint and because the exact nature of the injury is not appreci ated. Therefore, the shoulder develops chronic prob lems.

We have routinely utilized a lateral roentgenogram of the acromion to evaluate the acromioclavicular joint. This has significantly aided us in the diagnosis and treatment of acromioclavicular joint injuries, es pecially when there was posterior dislocation of the distal clavicle.

This presentation reviews standard roentgenogra phy of the acromioclavicular joint and illustrates the method of obtaining the lateral projection as described by O. M. Alexander. We will also show how this method has helped us clinically in detecting posterior dislocations of the distal end of the clavicle.

This article has been cited by other articles:

				F. Alyas, M. Curtis, C. Speed, A. Saifuddin, and D. Connell MR Imaging Appearances of Acromioclavicular Joint Dislocation RadioGraphics, March 1, 2008; 28(2): 463 - 479. [Abstract] [Full Text] [PDF]