Schenck classified a knee dislocation based on the disruption pattern of various ligaments. The type of dislocation can help to direct management of the patient.
Patient selection: knee dislocation
Parameters:
(1) rupture of cruciate ligament(s), anterior and/or posterior
(2) rupture of collateral ligament(s), medial and/or lateral
(3) fracture
Rupture of Cruciate Ligament(s)
Rupture of Collateral Ligament(s)
Fracture
Knee Dislocation (KD)
either
none
none
KD I
both
none
none
KD II
both
either
none
KD III
both
medial CL
none
KD IIIM
both
lateral CL
none
KD IIIL
both
both
none
KD IV
NA
NA
present
KD V
If there is injury of the popliteal artery then the suffix "C" is added.
If there is injury to a nerve then the suffix "N" is added.
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