Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 8/30/2025

Clinical Presentation of Left Piriformis Syndrome

Key Clinical Features

  • Pain may be described as dull, aching, sharp, or electrical in character, according to the American Academy of Pediatrics 1
  • Symptoms may mimic those of L5-S1 disc lesions, but typically without the specific neurological deficits associated with true radiculopathy, as noted by Praxis Medical Insights 2
  • Unlike true radiculopathy, piriformis syndrome usually does not cause specific dermatomal sensory loss or myotomal weakness, as reported by the Journal of the American College of Radiology 3
  • In long-standing cases, patients may develop compensatory gait patterns, as observed in a study published in Pediatrics 1
  • Symptoms may appear suddenly after activities involving back stretching or trauma, according to a report in Pediatrics 1
  • The condition is often misdiagnosed due to symptom overlap with lumbar radiculopathy and other causes of sciatica, as stated by the Journal of the American College of Radiology 3

REFERENCES

2

L5-S1 Disc Lesion Neurological Effects [LINK]

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

3

acr appropriateness criteria® plexopathy: 2021 update. [LINK]

Journal of the American College of Radiology, 2021