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Why have T1-weighted fat saturated sequences been performed?
Gadolinium used in the arthrogram injectate is high signal on T1, where as water is dark. Fat is high signal on T1 therefore by suppressing its signal, it makes the appearances of the distended joint more conspicuous.
MRI hip arthrogram and image guided injection. Evidence of a fluid cleft at the anterosuperior chondrolabral junction which extends across its entire thickness in keeping with tear/ focal detachment.