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Classification and management of isolated C1 (atlas) fractures
Classification and management of isolated C1 (atlas) fractures
Landells
Jefferson Classification
Tx
Type I - single arch frx (pos. or ant.)
Jefferson I - pos. arch
Jefferson II - ant. arch
rigid immobilization X 8–12 wks
Type II - ant. & pos. arch frx
Jefferson III
TAL intactd (stable) → rigid immobilization X 10–12 wks
TAL disrupted (unstable) → halo X 12wks ± Qx (C1-C2; pos. approach; stabilization & fusion)
Type III - lat. mass frx
Jefferson IV
rigid immobilization X 8–12 wks
Rule of Spence
Rule of Spence
Dx of TAL disruption
LMD overhang ≥ 7 mm
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