Nissen-Lie classification is a system of categorizing Colles' fractures. In the Nissen-Lie classification system, there are seven types of fractures. The classification system was first published in 1939.
Classification Type 1: A fracture at the junction of the shaft and distal extremity of the radius (occurs only in children between the age of 1 and 15 years, and is most commonly a greenstick fracture) Type 2: Slipping of the epiphysis with dorsal displacement, often with a dorsally avulsed triangular fragment of the radius (occurs in the age range 10-20 years) Type 3: Minimal displacement Type 4: Dorsal angulation, extra-articular, no comminution Type 5: Intra-articular, comminuted Type 6: Fractures of the radial styloid Type 7: Fractures with dorsal displacement
See also Frykman classification Gartland & Werley classification Lidström classification Older's classification
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