Ac Joint Ganglion Cyst

We report a case of a patient with degenerative shoulder disease and a synovial cyst of the acromioclavicular joint.

Ac joint ganglion cyst. 23929 and code for removal of osteophyte of distal clavicle is 23180. The cause is unknown. Code 23140 excision or curettage of bone cyst or benign tumor of clavicle or scapula will not be coded as it is used if cyst is in bone. Inside the cyst is a thick lubricating fluid similar to that found in joints or around tendons.

Onset is often over months. Later on there is a tear of the superior acromioclavicular ligament. 1 division of anatomical sciences university of michigan medical center ann arbor michigan usa. These cysts often present as a supraclavicular mass.

Typically there are no further symptoms. Ganglion of the acromioclavicular joint. We present a case of an 80 year old female with a symptomatic acromioclavicular cyst that extended intramuscularly into the trapezius. Cranially to the joint there is a superficial cystic lesion which follows fluid signal on all sequences.

A well defined ganglion cyst 1 cm in diam eter was dissected down to the anterosuperior aspect of the ac joint from which it was obviously arising. Acromioclavicular juxtaarticular cysts have been described in association with full thickness rotator cuff tears and a degenerated acromioclavicular joint. There was a full thickness rotator cuff tear associated discussionsynovial cysts in the acromioclavicular joint appear in old patients. The cyst was resected completely with its base at the ac joint capsule and without loss of its 1.

There is sclerosis of the undersurface of the acromion and tearing of the inferior acromioclavicular ligament. No one knows exactly what causes a ganglion cyst to develop. The underlying mechanism is believed to involve. Acromioclavicular joint acj cysts are an uncommon and unusual sequela associated with shoulder pathophysiology.

Complications may include carpal tunnel syndrome. Advanced degenerative changes of the ac joint. The correct code for ganglion excision from ac joint is unlisted i e. Typical presentation of an ac joint ganglion cyst secondary to arthrosis.

Hiller ad 1 miller jd zeller jl. Joint fluid escapes into the acromioclavicular joint. They tend to be. Acromioclavicular joint cyst formation.

The humeral head repeated strikes the undersurface of the acromion and acromioclavicular joint. They most often occur at the back of the wrist followed by the front of the wrist. A ganglion cyst is a fluid filled bump associated with a joint or tendon sheath. However the cyst has been increasing in.

Occasionally pain or numbness may occur.