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Spinal intradural clear cell meningioma following resection of a suprasellar clear cell meningioma. Case report and recommendations for management.

The authors report on 32-year-old woman with a history of a previously resected suprasellar clear cell meningioma (CCM), who returned to their institution after 3 years suffering from progressively worsening leg and back pain associated with leg weakness and bowel and bladder dysfunction. A magnetic resonance image of the thoracic and lumbar spine demonstrated a homogeneously enhancing intradural mass that filled and expanded the thecal sac. The patient underwent multiple-level laminectomies for resection of the lesion. Results of pathological studies confirmed distant recurrence of a CCM. Since its initial recognition as a rare but aggressive histological variant of meningothelial tumors, the body of literature on CCMs has grown to include more than 40 cases. Nevertheless, the natural history of this neoplastic entity remains ill defined, as are the recommendations for management. Of particular concern is the treatment of patients who have undergone subtotal resection or present with recurrence. To the authors' knowledge, the present case represents the sixth distant recurrence of CCM reported in the literature. The radiographic and histological studies are reviewed along with the current literature on this subtype of meningioma. Recommendations for surveillance and treatment are made.