Idiopathic lumbar epidermoid: review of literature and case report

Author:

Elnoamany HossamORCID,Salim Mohammud

Abstract

Abstract Background Spinal epidermoid tumors are rare, comprising of less than 1% of tumors involving the spine. These tumors arise from pathological displacement of epidermal cells into the spinal canal. Therefore, these tumors can be congenital, when there is improper closure of the neural tube; or acquired, in patients who have had prior lumbar punctures, trauma, or surgery. Spinal epidermoids are typically found in the lumbosacral region but can be found in other locations as well. Case presentation We report an original case of a 50 year old. He presented with 1 year with back pain and bilateral sciatica. The patient was neurological intact with no sphincter incompetence. The magnetic resonance image of the lumbosacral spine showed a 12 × 3 cm well-circumscribed intradural mass at the L3–S1 level. The patient was operated on with posterior lumbar laminectomy for tumor removal. Postoperation, the patient had improved pain and numbness. The motor power was intact as preoperative. Conclusions MRI with DWI is especially useful to confirm the diagnosis with the lesions appearing hyperintense. The most conventional approach to resection involved laminectomies and intradural tumor resection. GTR provided better outcomes in most cases even when the tumor was adherent to the nearby spinal cord or nerve roots.

Publisher

Springer Science and Business Media LLC

Subject

General Materials Science

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