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skos:definition |
AOT: Spasm of the piriformis muscle causing sciatic pain.,MSH: A chronic PELVIC PAIN characterized by pain deep in the buttock that may radiate to posterior aspects of the leg. It is caused by the piriformis muscle compressing or irritating the SCIATIC NERVE due to trauma, hypertrophy, inflammation or anatomic variations.,NCI: A condition referring to irritation or compression of the proximal sciatic nerve, secondary to contraction of the piriformis muscle. It results in pain in the hip or the back of the leg mimicking disk-related sciatica.
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