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Acromial keel spur

Case contributed by: Dr Roberto Schubert

Presentation:

Rotator cuff syndrome.

Patient Data:

Age: 67
Gender: Female
Race: Caucasian
From the case: Acromial keel spur
Modality: MRI

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T2*

AC joint osteoarthritis and severe supraspinatus tendinosis. There is an oblong spur at the acromial insertion of the coracoacromial ligament directed antero-medially and inferiorly.

Case Discussion:

A subacromial keel is a spur on the anterior under-surface of the acromion, that is formed like the keel of a sailboat. It is highly associated with rotator cuff damage and tear1.

References:

  1. 1. Stoller DW. Magnetic Resonance Imaging in Orthopaedics And Sports Medicine. (2006) ISBN:0781773571. Read it at Google Books - Find it at Amazon

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