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[CPPD] Infraspinatus labral calcifications

Patient Positioning

Patient seated on a revolving stool, arm in slight internal rotation. Elbow flexed (90°), palm up (hand can be placed on the thigh).

Probe Positioning

The posterior glenohumeral joint is found by placing the transducer medially from the humeral head on a horizontal plane (long axis of infraspinatus tendon). Check the posterior labrum capsular complex (effusion? calcifications? lesion?) and the infraspinatus and teres minor tendons during external and internal rotation.

lc: labral calcifications (calcium pyrophosphate)

Note: Labral calcifications in a patient with calcium pyrophosphate deposition disease.