Prominent Conoid TubercleThis is a featured page

Prominent Conoid Tubercle(Dr. Laughlin Dawes, Radiology Picture of the Day)
The conoid tubercle (or coracoid tuberosity) is a rough eminence on the posterior inferior side of the clavicle. It lies above the coracoid process. The conoid ligament connects the coracoid process to the conoid tubercle.

A prominent conoid tubercle makes an accesory articulation with the coracoid process as the coracoclavicular joint.

R Coracoclavicular jointL coracoclavicular joint
(Gradoyevitch, B. Coracoclavicular joint. The Journal of Bone & Joint Surgery. 1939;21:918-920.)

Latest page update: made by eliseleblanc , Jan 24 2011, 5:15 PM EST (about this update About This Update eliseleblanc Edited by eliseleblanc

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ghazi8118 prominent conoid tubercle 1 Dec 12 2010, 9:04 PM EST by CTRick
Thread started: Dec 12 2010, 8:12 PM EST  Watch
what is this projection and patient possition
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HeatherCutler Prominent conoid tubercle 0 Dec 1 2010, 9:27 PM EST by HeatherCutler
Thread started: Dec 1 2010, 9:27 PM EST  Watch
The osseous density projecting from the inferior aspect of the clavicle represents an enlarged conoid tubercle making an accessory articulation with the coracoid process of scapula (coracoclavicular joint).
DD: Post-traumatic myositis ossificans of the coracoclavicular ligament.
Absent trauma history and the smooth corticated margin point to a congenital origin of this anomaly.

Reference: Youchum and Rowe’s Essentials of Skeletal Radiology. 2005 (Chiropractic radiology text)

Credit: Dr Ahmed Haroun
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