PMC4983335_01
PMC4983335_02
PMC4983335_03
Radiograph demonstrating dislocated metacarpal-phalangeal joint of the first digit.
CRIEM2016-2518596.001.jpg
PMC4983335_03_CRIEM2016-2518596.001.jpg
fig1
The patient's hand radiograph showed dorsal dislocation of the left thumb at the MCP joint without evidence of fracture (Figure 1).
PMC4983335_04
Ultrasound image demonstrating needle and anesthetic solution around the ulnar nerve.
CRIEM2016-2518596.002.jpg
PMC4983335_04_CRIEM2016-2518596.002.jpg
fig2
The patient underwent an in-plane left ulnar nerve block under ultrasound guidance (Figure 2).