Authors of section

Author

Carlo Bellabarba

General Editor

Luiz Vialle

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C1 B fracture with ipsilateral superior S1 facet discontinuous with medial part of sacrum

This is any unilateral B-type fracture involving a fracture of the ipsilateral L5-S1 joint. This fracture type may impact spino-pelvic instability and is therefore classified as a C fracture.

definition