Sanders classification

In orthopedic medicine, the Sanders classification is a system of categorizing intra-articular calcaneal fractures based on the number of articular fragments seen on the coronal CT image at the widest point of the posterior facet.


Type Description
I Nondisplaced posterior facet
II Displaced with one fracture line in the posterior facet
III Displaced with two fracture lines in the posterior facet
IV Comminuted with more than three fracture lines in the posterior facet

See also

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