Study design: Report of seven patients with fibrous adhesive entrapment of lumbosacral nerve roots as a cause of sciatica, whose radiographic findings were negative and who experienced relief from ...

A 32 year-old man presented with progressive numbness and pain radiating from the back to the anterior and medial thigh. Schwannoma: MRI Scans of the Lumbar Spine; (Left Top) T1-weighted axial; (Left ...