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- Francis Kralick and Robert Koenigsberg.
- Department of Neurosurgery, Drexel University College of Medicine, Hahnemann University Hospital, Philadelphia, PA 19102, USA. fkralick@yahoo.com
- Surg Neurol. 2006 Dec 1;66(6):634-7.
BackgroundOther causes such as peripheral schwannomas can mimic lumbar disk disease.Case DescriptionWe present an unusual case of multiple nerve sheath tumors in a patient with left radicular leg pain accompanied by a Tinel sign. Initial lumbar MR imaging revealed a mass in the right lumbar plexus, side opposite the patient's symptoms. Magnetic resonance neurography subsequently revealed a compressive mass of the sciatic nerve proximal to the popliteal fossa, histologically identified as a schwannoma.ConclusionThis case emphasizes the importance of continued investigation when the radiographic findings do not correlate with the patient's history in the presence of localizing signs on physical examination.
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