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

* 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 - Cauda Equina Syndrome ID - 307362 Y1 - 2016 PB - 5-Minute Emergency Consult UR - https://emergency.unboundmedicine.com/emergency/view/5-Minute_Emergency_Consult/307362/all/Cauda_Equina_Syndrome ER -