Article about Piriformis Syndrome, a cause of Sciatica symptoms in the absence of lower back pain http://www.londonpainclinic.com/articles/2006/10/16/piriformis_syndrome/index.php London Pain Clinic en-gb Mon, 16 Oct 2006 19:50:13 BST dr.jenner@satellitesec.co.uk (Dr.C.A.Jenner MB BS, FRCA) Article about Piriformis Syndrome, a cause of Sciatica symptoms in the absence of lower back pain http://www.londonpainclinic.com/articles/2006/10/16/piriformis_syndrome/index.php http://www.londonpainclinic.com/articles/2006/10/16/piriformis_syndrome/index.php