Scaphoid fracture - Mayo classification

Mayo classification divides scaphoid fractures into three basic types according to anatomic location of the fracture line. Fracture of the distal third of scaphoid bone are further divided according to involvement of the distal articular surface or the distal tubercle.

Type Description
proximal fracture of the proximal third of the scaphoid bone
middle fracture of the middle third of the scaphoid bone
distal fracture of the distal third of the scaphoid bone:
- fracture of the distal articular surface
- fracture of the distal tubercle

References:

1. Cooney WP 3rd. Scaphoid fractures: current treatments and techniques. Instr Course Lect. 2003;52:197–208.
2. Rhemrev SJ, Ootes D, Beeres FJ, Meylaerts SA, Schipper IB. Current methods of diagnosis and treatment of scaphoid fractures. Int J Emerg Med. 2011 Feb 4;4:4
.