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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The concept of this website is based on a previous site that was founded in 2008 and is still up and running. The website is composed as a book, where all sources are properly referenced, according to a good practice in scientific publications.

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    Fracture of the base of the first metacarpal bone (thumb) - types

    Three types of fracture of the base of the first metacapal bone (thumb) are distinguished by eponyms.

    Type Description
    Winterstein oblique extraarticular fracture of the base
    Bennett oblique intraarticular fracture of the base with dislocation of the peripheral fragment due to lateral traction of the shaft by abductor pollicis longus
    Rolando comminuted Y- or Z- shaped intraarticular fracture of the base with three fragments

    References:

    1. Bennett EH. Fractures of metacarpal bones. Dublin J Med Sci 1882; 73: 72-75
    2. Soyer AD. Fractures of the base of the first metacarpal: current treatment options. J Am Acad Orthop Surg. 1999 Dec;7(6):403–12.

    Updated 24/8/2013 13:27 by Lambert
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