Hamate fracture (classification)

Hamate fractures are an uncommon form of carpal bone fractures and only account for 1-2% of such fractures.

Classification

Hamate fractures usually get subdivided into two broad groups: hook fractures and body fractures.

Classification of hamate fractures:

• type 1: hook of hamate fracture
• type 2: body of hamate fracture
  • type 2a: coronal (may be dorsal oblique or splitting fracture)
  • type 2b: transverse fracture