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Chapter-087 Piriformis Syndrome

BOOK TITLE: Ramamurthy's Decision Making in Pain Management: An Algorithmic Approach

Author
1. A Nagpal
2. Department of Anesthesiology UT Health San Antonio, San Antonio, TX, USA
ISBN
9789386261458
DOI
10.5005/jp/books/14128_88
Edition
3/e
Publishing Year
2018
Pages
2
Author Affiliations
1. UT Health San Antonio, San Antonio, TX, USA
Chapter keywords
Piriformis syndrome, neuropathic pain disorder, myofascial pain, ultrasound, nonsteroidal anti-inflammatory drug, NSAID

Abstract

Piriformis syndrome is a myofascial and neuropathic pain disorder that may closely mimic other causes of low back and leg pain which represents approximately 5–8% cases of back or leg pain. The piriformis muscle arises from the inner aspect of the sacrum, runs laterally through the sciatic notch, crosses over the sciatic nerve, and inserts on the greater trochanter. Contraction of the piriformis muscle assists external rotation of the thigh when the hip is in extension and abducts the thigh when the hip is in flexion. Patients with piriformis syndrome may complain of an aching pain radiating to the hip, groin, buttock, or posterior thigh.

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