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Cauda Equina Syndrome

Cauda Equina Syndrome is a topic covered in the 5-Minute Emergency Consult.

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Basics

Description

Compression of lumbar and sacral nerve fibers in cauda equina region:
  • Nerve fibers below conus medullaris
  • Fibers end at L1–L2 interspace.

Risk Factors

  • Neoplasm
  • IV drug use
  • Immunocompromised state
  • Trauma

Etiology

  • Herniated disc most common:
    • L4–L5 discs > L5–S1 > L3–L4
    • Most common in 4th and 5th decades of life
  • Mass effect from:
    • Myeloma, lymphoma, sarcoma, meningioma, neurofibroma, hematoma
    • Spine metastases (breast, lung, prostate, thyroid, renal)
    • Epidural abscess (especially in IV drug users)
  • Blunt trauma
  • Penetrating trauma
  • Spinal anesthesia

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Citation

Rosen, Peter, et al., editors. "Cauda Equina Syndrome." 5-Minute Emergency Consult, 5th ed., Lippincott Williams & Wilkins, 2016. Emergency Central, emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307362/1.3/Cauda_Equina_Syndrome.
Cauda Equina Syndrome. 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/307362/1.3/Cauda_Equina_Syndrome. Accessed June 26, 2019.
Cauda Equina Syndrome. (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/307362/1.3/Cauda_Equina_Syndrome
Cauda Equina Syndrome [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 June 26]. Available from: https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307362/1.3/Cauda_Equina_Syndrome.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Cauda Equina Syndrome ID - 307362 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/307362/1.3/Cauda_Equina_Syndrome PB - Lippincott Williams & Wilkins ET - 5 DB - Emergency Central DP - Unbound Medicine ER -