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A 34-year-old female presents with a history of a bicycle fall directly onto her left upper arm 3 days before. She now exhibits an incomplete wrist drop (partial "fall hand").
The presented MRI images include coronal T2-weighted, fat-saturated on the left and transaxial T1-weighted (plain on the top and contrast-enhanced, fat-saturated on the bottom).
What are the MRI findings, and which is your final diagnosis?
