Welcome to Classifications and Online Calculators in Radiology

This site was build along with the Atlas of Radiology Images to support your knowledge in radiology.

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that are used in radiology and related fields with free access.

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    Fracture of olecranon - Colton classification

    Colton classification was the first classification of olecranon fractures. It divides them according to displacement of fragments into two types. Displaced fractures are further divided into four subtypes.

    Type Description
    Undisplaced and stable displacement <2mm, displacement does not increase with elbow flexion
    Displaced A) avulsion fracture
    B) oblique or transverse fracture
    C) comminuted fracture
    D) fracture with dislocation in the elbow joint

    References:

    1. Colton CL. Fractures of the olecranon in adults: classification and management. Injury. 1973;5:121-129.
    Saunders, 1993, pp 405–428.
    2. Newman SDS, Mauffrey C, Krikler S. Olecranon fractures. Injury. 2009 Jun;40(6):575–81.
    3. Veillette CJH, Steinmann SP. Olecranon Fractures. Orthopedic Clinics of North America. 2008 Apr;39(2):229–36.

    Updated 3/11/2013 19:36 by Lambert
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