Sciatic Schwannomas Presenting with Sciatica
Animation: Sciatic schwannoma image diagnosis.
(A) 32-year-old man who had back school physical therapy, lumbar discectomy and piriformis muscle section all without benefit proved to have schwannomas in the sciatic nerve just above the level of the ischial tuberosity. A1 - axial. A2 and A3 coronal reformats in slightly different planes demonstrate and confirm the relationship of the larger (*) and smaller (**) tumors to the sciatic nerve (s). His symptoms resolved after tumor excision.
(B) This mass (m) in the sciatic nerve (s) was discovered in a patient with sciatica, positive straight leg raising and lumbar spondylosis.
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