School ager who has pain at the distal interphalangeal joint after jamming their finger

Musculoskeletal
Radiograph of mallet finger fracture
Lateral radiograph of the finger shows a faint triangular avulsion fragment at the insertion of the common extensor tendon on the dorsal aspect of the distal phalanx at the distal interphalangeal joint.

The diagnosis was mallet finger fracture.

Published