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Review Question - QID 5552

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QID 5552 (Type "5552" in App Search)
A 23-year-old male grabs at his opponent during a football game. He complains of pain and swelling in his ring finger. Figures A and B are low and high magnification sagittal ultrasound images of the digit, and Figure C is the corresponding sagittal MRI image. An avulsed bone fragment is labelled with a solid white arrow in the ulrasound images, and a long red arrow on the MRI. In this injury pattern, the blood supply to the flexor digitorum profundus (FDP) would be most compromised due to injury to which of the following anatomic structures?


  • A
  • B
  • C
  • A
  • B
  • C