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Diagnosis and Management of Piriformis Syndrome: A Rare Anatomic Variant Analyzed
by Magnetic Resonance Imaging
#MMPMID29541492
Ro TH
; Edmonds L
J Clin Imaging Sci
2018[]; 8
(?): 6
PMID29541492
show ga
Piriformis syndrome is an uncommon condition that causes significant pain in the
posterior lower buttocks and leg due to entrapment of the sciatic nerve at the
level of the piriformis muscle. In the typical anatomical presentation, the
sciatic nerve exits directly ventral and inferior to the piriformis muscle and
continues down the posterior leg. Several causes that have been linked to this
condition include trauma, differences in leg length, hip arthroplasty,
inflammation, neoplastic mass effect, and anatomic variations. A female presented
with left-sided lower back and buttock pain with radiation down the posterior
leg. After magnetic resonance imaging was performed, an uncommon sciatic
anatomical form was identified. Although research is limited, surgical
intervention shows promising results for these conditions. Accurate diagnosis and
imaging modalities may help in the appropriate management of these patients.