Lunate Dislocation
Lunate Dislocation is a topic covered in the 5-Minute Emergency Consult.
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Basics
Description
Description
- Dislocation of the lunate relative to the radius and distal row of metacarpals, most are volar but can be dorsal.
- Usually from high-energy hyperextension with ulnar deviation of the wrist.
Etiology
Etiology
- Implies disruption of all 4 perilunate ligaments and radiocarpal ligament (Mayfield classification, stage IV)
- In volar dislocations, median nerve injury occurs in the carpal tunnel.
- Associated fractures of the radial styloid, scaphoid, capitate, and triquetrum are common and, if present, should raise suspicion of an occult perilunate ligamentous injury.
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Citation
* When formatting your citation, note that all book, journal, and database titles should be italicized* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Lunate Dislocation
ID - 307164
ED - Barkin,Adam Z,
ED - Barkin,Roger M,
ED - Hayden,Stephen R,
ED - Rosen,Peter,
ED - Schaider,Jeffrey J,
ED - Shayne,Philip,
ED - Wolfe,Richard E,
BT - 5-Minute Emergency Consult
UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307164/all/Lunate_Dislocation
PB - Lippincott Williams & Wilkins
ET - 5
DB - Emergency Central
DP - Unbound Medicine
ER -