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Perilunate Dislocation

Perilunate Dislocation is a topic covered in the 5-Minute Emergency Consult.

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Basics

Description

  • Lunate remains located and in line with the radius but the distal carpal bones are displaced dorsally (∼95% of the time) or volarly (∼5% of the time)
  • Early surgical treatment is recommended.
  • This injury has a high incidence of post-traumatic arthritis.

Etiology

  • Mechanism of injury is usually wrist hyperextension with ulnar deviation.
  • These are high-energy injuries:
    • Falls from a height
    • Motor vehicle accidents
    • Industrial accidents
    • Sporting accidents

ALERT
Scaphoid is frequently fractured with perilunate dislocations.

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Citation

Rosen, Peter, et al., editors. "Perilunate Dislocation." 5-Minute Emergency Consult, 5th ed., Lippincott Williams & Wilkins, 2016. Emergency Central, emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307046/all/Perilunate_Dislocation.
Perilunate Dislocation. In: Rosen P, Shayne P, Barkin AZ, et al, eds. 5-Minute Emergency Consult. 5th ed. Lippincott Williams & Wilkins; 2016. https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307046/all/Perilunate_Dislocation. Accessed April 23, 2019.
Perilunate Dislocation. (2016). In Rosen, P., Shayne, P., Barkin, A. Z., Wolfe, R. E., Hayden, S. R., Barkin, R. M., & Schaider, J. J. (Eds.), 5-Minute Emergency Consult. Available from https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307046/all/Perilunate_Dislocation
Perilunate Dislocation [Internet]. In: Rosen P, Shayne P, Barkin AZ, Wolfe RE, Hayden SR, Barkin RM, Schaider JJ, editors. 5-Minute Emergency Consult. Lippincott Williams & Wilkins; 2016. [cited 2019 April 23]. Available from: https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307046/all/Perilunate_Dislocation.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Perilunate Dislocation ID - 307046 ED - Rosen,Peter, ED - Shayne,Philip, ED - Barkin,Adam Z, ED - Wolfe,Richard E, ED - Hayden,Stephen R, ED - Barkin,Roger M, ED - Schaider,Jeffrey J, BT - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307046/all/Perilunate_Dislocation PB - Lippincott Williams & Wilkins ET - 5 DB - Emergency Central DP - Unbound Medicine ER -