subungual hematoma

Etiology

• trauma

Physical examination

• assessment of motor & sensory function of the affected digits
  • range of motion, 2-point discrimination, color, capillary refill

Clinical manifestations

• throbbing pain may occur due to pressure under the nail
• pigmentation progresses distally as nail grows out creating a zone of clearing between the proximal nail fold & the pigmentation
• surrounding skin changes generally resolve within a few weeks

Management

• evacuation of subungual hematoma (CPT)
• removal of nail is generally not necessary
• a small hole can be created in the nail to releive pressure
  • as cautery device of a heated paper clip will suffice

More general terms

• hematoma
• finger injury

Additional terms

• nail bed laceration