Anatomical, clinical and electrical observations in Piriformis Syndrome
IntroductionWe provided clinical and electrical descriptions of the piriformis syndrome, contributing to better understanding of the pathogenesis and further diagnostic criteria.
Methods: Between 3550 patients complaining of sciatica, we concluded 26 cases of piriformis syndrome, 15 females, 11 males, mean age 35.37 year-old. We operated 9 patients, 2 to 19 years after the onset of symptoms, 5 had piriformis steroids injection.
The H reflex was tested in 13 cases and MRI performed in all cases.
Results: After a followup 1 to 11 years, for the 17 non operated patients, 3 patients responded to conservative treatment. 6 of the operated had an excellent result, 2 residual minor pain and one failed.
3 new anatomical observations were described with atypical compression of the sciatic nerve by the piriformis muscle.DiscussionThe H reflex of the peroneal nerve should be given more importance, because it demonstrated more specific sign, with six clinical criteria it contributed to improve the method of diagnosis. The cause of this particular syndrome does not only depend on the relation sciatic nerve-piriformis muscle, but the environmental conditions should be considered with the series of the anatomical anomalies to explain the real cause of this pain.
Author: Roger JawishHani AssoumChaker Khamis
Credits/Source: Journal of Orthopaedic Surgery and Research 2010, 5:3
Published on: 2010-01-21
Copyright by the authors listed above - made available via BioMedCentral (Open Access). Please
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