Home > Encyclopedia of Surgery > Shoulder Resection Arthroplasty

Definition

Shoulder resection arthroplasty is surgery performed to repair a shoulder acromioclavicular (AC) joint. The procedure is most commonly recommended for AC joint problems resulting from osteoarthritis or injury.

Purpose

The shoulder consists of three bones: the shoulder blade, the upper arm bone (humerus), and the collarbone (clavicle). The part of the shoulder blade that makes up the roof of the shoulder is called the acromion and the joint where the acromion and the collarbone join is called the acromioclavicular (AC) joint.

Some joints in the body are more likely to develop problems due to normal wear and tear, or deterioration resulting from osteoarthritis, a progressive and degenerative joint disease....