Ac Joint Effusion Mri
Its role in defining pathoanatomy at the acromioclavicular joint.
Ac joint effusion mri. If pain persists or you have pain with activities then sometimes surgical intervention is warranted. The key structures involved in dislocation of the acromioclavicular joint acj are the joint itself and the strong accessory coracoclavicular ligament. Helpful trusted answers from doctors. Schuller on ac joint effusion.
Investigations of mri of the shoulder are usually focused on abnormalities of the rotator cuff and labrum but rarely on the acromioclavicular joint 1 6 the acromioclavicular joint has previously been termed the forgotten or overlooked joint. Pfirrmann 1 marco zanetti 1 ladislav nagy 2 and juerg hodler 1. It is most commonly caused by infection injury and arthritis. Evaluation and treatment of acromioclavicular joint injuries.
In addition to swelling joint effusion is associated with pain and stiffness. Am j sports med 2007. The trapezoid ligament is quadrilateral. Treatment consists of therapy to regain motion after a short period in a sling.
Our objective was to evaluate the predictive value of various mri findings in the acromioclavicular joint for pain relief after intraarticular injection. Typically an ac joint separation can be treated conservatively when it is only a type 2 or 3. The acromioclavicular joint of 50 patients 20 women. The acromioclavicular joint is between the small facet of the convex distal clavicle and flat medial acromion the articular surfaces are lined with fibrocartilage like the sternoclavicular joint it is an atypical synovial joint.
Magnetic resonance imaging of the coracoclavicular ligaments. Fractured coracoid process in acromioclavicular dislocations. 14 mazzocca ad arciero ra bicos j. Mri features of the acromioclavicular joint that predict pain relief from intraarticular injection klaus strobel 1 christian w.
It is attached to the superior aspect of the anterior border of the base of the coracoid process and extends in a posterosuperolateral roughly straight course to the trapezoid line in the inferior surface of the clavicle figs. Acj dislocations are classified with the roc. J surg orthop adv 2004. Report of four cases and review of the literature.
Joint effusion commonly referred to as water on the knee or fluid on the knee is the abnormal accumulation of fluid in or around a joint. 1b and 1c the trapezoid ligament is the primary restraint against posterior clavicular displacement and also provides.