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ABSTRACT
Intradural neurenteric cysts are rare congenital lesions and arise from incomplete separation of the developing notochord and foregut in the embryo. Neurenteric cysts are often seen in conjunction with other forms of occult spinal dysraphism. The cases of a 48-year-old male with pain in the right shoulder and numbness in both hands and a 7-year-old girl with subacute muscle weakness of the lower extremities are presented. Both patients underwent surgery. One lesion was completely excised, while the other could be only partially removed because of negative monitoring potential during the operation. Histological examination, showing pseudostratified ciliated columnar epithelium, confirmed the diagnosis of neurenteric cyst. The symptoms in both patients nearly disappeared after surgery. Recurrence of cyst was observed in the girl, though without neurological symptoms. In conclusion, two cases of intradural extramedullary cysts are reported. Clinical presentations, intraoperative findings, and histological features are discussed with a review of the literature.
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