A common type of elbow injury in adults is radial head fracture ^1-4. The Mason classification distinguishes radial head fracture into four groups: (type 1 = undisplaced; type 2 displaced; type 3 comminuted; type 4 associated with the elbow joint's dislocation ^1-4. Early detection and appropriate radial head fracture classification are critical for ensuring their appropriate treatment ^1-4.

This case illustrates radial head fracture, type 3, Mason classification, which usually requires surgical treatment.