Clinical: 13 y/o female status post injury 1 month prior. Progressive pain.
Dx: Subacute partial tear of the rectus femoris centered at the deep musculotendinous junction at the mid thigh. There is approximately 19 mm of muscle retraction and a subacute hematoma at the tear site measuring 20 x 15 x 10 mm. The tear involves 30-40 percent of the rectus femoris muscle substance focally.
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