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OrthoVellum

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Hand & Upper Limb
intermediate
X-Type

Recurrent Shoulder Instability

Shoulder Pathology

A 24-year-old rugby player presents with recurrent anterior shoulder dislocations. He has had 5 dislocations in 2 years despite completing a rehabilitation program. Examination shows positive apprehension and relocation tests. CT scan shows 22% glenoid bone loss and an engaging Hill-Sachs lesion on dynamic examination. The Instability Severity Index Score (ISIS) is 7. Regarding recurrent shoulder instability:

Mark each as TRUE or FALSE

A

The Bankart lesion (anteroinferior labral tear) is the "essential lesion" of traumatic anterior inst...

B

Hill-Sachs lesion is a posterolateral humeral head compression fracture occurring in 80-100% of disl...

C

Posterior shoulder instability is more common than anterior; glenoid bone loss greater than 25% does...

D

Risk factors for recurrence include young age at first dislocation (less than 20 years highest risk)...

E

Treatment options: arthroscopic Bankart repair for soft tissue lesions without significant bone loss...

Answer the questions to see explanations

Click T (True) or F (False) for each option