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CASE REPORT
Year : 2014  |  Volume : 1  |  Issue : 2  |  Page : 98-100

A rare case of extraforaminal schwannoma in lumbar region in an elderly male without neurofibromatosis operated by transparaspinal approach


1 Associate Professor, Department of Neurosurgery, Vijayanagara Institute of Medical Sciences, Bellary, Karnataka, India
2 Assistant Professor, Department of Surgery, Vijayanagara Institute of Medical Sciences, Bellary, Karnataka, India
3 Postgraduate, Department of Surgery, Vijayanagara Institute of Medical Sciences, Bellary, Karnataka, India
4 Assistant Professor, Department of Community Medicine, Vijayanagara Institute of Medical Sciences, Bellary, Karnataka, India

Correspondence Address:
Bellara Raghavendra
Assistant Professor, Department of Community Medicine, Vijayanagara Institute of Medical Sciences, Cantonment, Bellary, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.5005/jp-journals-10039-1020

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Introduction: Schwannoma is a benign tumor arising from the neural crest-derived Schwann cells. These tumors usually grow within the spinal canal and produce compression of spinal cord and nerve root of origin. Aim: To report a rare case of extraforaminal schwannoma in lumbar region in an elderly male operated by transparaspinal approach. Case: A 65-year-old male, presented with pain which is characterized by radiation to right thigh and associated with pins and needles sensation, intermittent type. Investigation: MRI scan demonstrated mixed intensity lesion in right paravertebral region L345 suggestive of extraforaminal schwannoma and disc bulge L3-4, L4-5 compressing anterior thecal sac and bilateral traversing nerve roots. Histology showed a tumor with features of schwannoma. The stroma at places shows myxoid change and hyalinization. Mononuclear cell infiltration is seen into the stroma. Treatment: Complete removal of the mass done by transparaspinal approach. Results: No residual tumor on follow-up scan and pain disappeared. Conclusion: Extraforaminal schwannoma in lumbar region in an elderly male ia a rare condition. The rarity of extraforaminal schwannoma and transparaspinal excision was highlighted. Transparaspinal approach is the most feasible and directly accessible approach to remove tumor and relieve pressure symptoms and rare possibility of malignancy.


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