Elbow "sail sign": MRI equivalent

Case contributed by Chris O'Donnell


Recent elbow injury. Now has persistent pain. MRI to exclude underlying bony trauma.

Patient Data

Age: 13
Gender: Male

Displacement of the intracapsular, extrasynovial fat pad anteriorly by a large joint effusion.  Note the T1 bright fat suppresses on the T2 fat sat.  Note also the posterior fat pad displaced by the joint fluid.

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