What causes nailbed injuries?

Updated: Sep 27, 2017
  • Author: Darrell Sutijono, MD; Chief Editor: Trevor John Mills, MD, MPH  more...
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Most injuries of the nailbed are due to crushing injuries, such as with a hammer. [1] Twenty-five percent of nailbed injuries involve the finger being crushed in a doorway, most commonly car doors. Crush injuries squeeze the soft tissue of the nailbed between the nail and the distal phalanx. This may result in a simple subungual hematoma or a simple or stellate laceration. Saws, knives, drills, moving belts, and lawnmowers are also common causes of nailbed injuries.

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