title: Piriformis bursitis causing sciatic neuropathy.
mesh_terms: D000368:Aged; D002062:Bursitis / Q000150:complications*; D005260:Female; D006621:Hip Joint; D006801:Humans; D007717:Knee; D009408:Nerve Compression Syndromes / Q000209:etiology*; D012584:Sciatic Nerve