1. بنام خداوند جان وخرد

2. Classification of distal radius fx H.Saremi.MD Orthopaedic surgeon,upper limb surgery fellowship Hamedan university of medical sciences HAMEDAN,IRAN

3. Distal radius fracture in the time of in the time of Hippocrates Hippocrates and Galen were thought to be wrist dislocations to be wrist dislocations

4. Pouteau first described DRF as a variety of forearm fractures in the French literature. Pouteau first described DRF as a variety of forearm fractures in the French literature. Pouteau, C.: Oeuvres Posthumes de Pouteau, C.: Oeuvres Posthumes de M Pouteau, Paris, P.D. Pierres, pp 251, 1783 M Pouteau, Paris, P.D. Pierres, pp 251, 1783

5. Colles, A.: On the Fracture of the Carpal Extremity of the Radius. Edinburgh Med Surg, 10;182-186, 1814 Colles, A.: On the Fracture of the Carpal Extremity of the Radius. Edinburgh Med Surg, 10;182-186, 1814

6. Colles based his descriptions on clinical examinations alone, because X RAY was invented by Roentgen in 1899. Colles based his descriptions on clinical examinations alone, because X RAY was invented by Roentgen in 1899.

7. DRFs are among the most common type of fractureDRFs are among the most common type of fracture The most common fx seen in the emergency departementThe most common fx seen in the emergency departement Bimodal distributionBimodal distribution 18-25 years high-energy injuries18-25 years high-energy injuries >65 years low-energy injuries >65 years low-energy injuries

8. Which classification?

9. Frykman’s classification 19671967 Useful,easy to learn,and communicate with colleguesUseful,easy to learn,and communicate with collegues NOT readily translate into prognostic or treatment utilityNOT readily translate into prognostic or treatment utility

10. Melone’s classification 19841984 Identified 4 major componentsIdentified 4 major components Attention on the medial(lunate)facetAttention on the medial(lunate)facet

11. AO classification 1986 revised in19901986 revised in1990 Little interobserver agreement forr subdivisionsLittle interobserver agreement forr subdivisions

12. Rayhack’s classification Intra or extra articularIntra or extra articular Stable or unstableStable or unstable

13. Mayo clinic classification Extra or intra articularExtra or intra articular Reducible or irreducibleReducible or irreducible

14. Fragment-specific classification MedoffMedoff Intra articular fxIntra articular fx 5 major fragments5 major fragments Radial styloid Radial styloid Dorsal wall Dorsal wall Impacted articular fragments Impacted articular fragments Dorsal ulnar corner(Die punch fragment) Dorsal ulnar corner(Die punch fragment) Volar rim fragment Volar rim fragment

15. Columnar classification RIKLI _REGAZZONIRIKLI _REGAZZONI Radial or lateral columnRadial or lateral column Length and alignment Of the articular surface Intermediate columnIntermediate column Primary load bearing Dorsal die punch,impacted intraarticular,volar ulnar corner Medial columnMedial column

16. Fernandez classification Mechanism of injuryMechanism of injury

17. Classification of DRUJ injuries

18. Observer agreement AO-----------adequate for the main typesAO-----------adequate for the main types MYO---------moderateMYO---------moderate Fair------------frykman,melone Aogroupes and subtypesFair------------frykman,melone Aogroupes and subtypes