Abstract
Scaphoid nonunions present a challenging problem because of the geometry of the fracture and vascular pattern of the scaphoid. Natural history of the scaphoid nonunion was well known. A gradual onset of arthritic changes were noted beginning between 5 and 10 years after nonunion. The initial abnormalities were confined to the scaphoid and consisted of cyst formation, fracture site resorption, and sclerosis at the fracture margins. Subsequently, pointing of the radial styloid and narrowing of the radioscaphoid articulation became evident. And then, progressive degeneration ensured, with further periscaphoid involvement. The simple or displaced nonunion can be treated by open reduction and internal fixation with or without Scaphoid Nonunion: Herbert Screw Fixation through Dorsal Approach
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