Imaging Hip Problems in Athletes - University of Wisconsin-Madison
Imaging Hip Problems in Athletes - University of Wisconsin-Madison
Imaging Hip Problems in Athletes - University of Wisconsin-Madison
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4/11/2011<br />
Causes <strong>of</strong> Labral Tears<br />
LABRUM<br />
• Trauma (posterior dislocation,<br />
twist<strong>in</strong>g <strong>in</strong>jury)<br />
• Osteoarthritis<br />
• Acetabular dysplasia<br />
•FAI<br />
• Idiopathic<br />
www.sportsortho.co.uk/.../Labraltear.jpg<br />
MR Arthrography<br />
Anterior Superior Labral Tear<br />
• Labral tear detection: ↑distension <strong>of</strong> jo<strong>in</strong>t<br />
– Sensitivity: 90%<br />
– Accuracy: 91%<br />
– Specificity: 90-100%<br />
• Conventional MR imag<strong>in</strong>g:<br />
– Sensitivity: 30%<br />
– Accuracy: 36%<br />
Czerny C. Rad 1996;200:225-230<br />
H<strong>of</strong>mann S. Orthepade 1998;27:681-68<br />
Plotz GM. J Bone Jo<strong>in</strong>t Surg Br 2000;82:426-432<br />
T1 FS<br />
T1 FS<br />
Superior Labral Tear<br />
22 year-old runner with hip pa<strong>in</strong><br />
Anteriorsuperior Labral Tear &<br />
Paralabral cyst<br />
51 y/o athletic man with hip pa<strong>in</strong><br />
T1 FS<br />
4
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