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  • Title: Surgical experience in symptomatic congenital intraspinal cysts.
    Author: Chang IC.
    Journal: Pediatr Neurosurg; 2004; 40(4):165-70. PubMed ID: 15608489.
    Abstract:
    Symptomatic congenital intraspinal cysts are uncommon but not rare. Since these cysts may have various manifestations, a careful differential diagnosis is needed. We retrospectively reviewed findings in 3 women and 2 men (age range, 10-50 years) with 6 symptomatic cysts of the thoracic or thoracolumbar spine. In addition, we statistically analyzed the patients' Nurick myelopathy grades before and after treatment. Pain and spastic paraparesis were the most frequent manifestations. Radiographs showed the widening of the spinal bony canal in 3 patients with extradural arachnoid cysts. All patients received limited laminectomy and appropriate surgical procedures. Pathology reports indicated neurenteric (n = 1), arachnoid (n = 4), and epidermoid (n = 1) cysts. Their functional status significantly improved by a mean of 2.6 Nurick points (p = 0.0002). Our findings confirm that these cysts have various manifestations. Congenital intraspinal cyst should be included in the differential diagnosis for patients with back pain, radiculopathy, cauda equina syndrome, Brown-Sequard syndrome, or myelopathy. The advent of MR imaging and increased knowledge about the pathogenesis of these cysts have improved the ease and accuracy of their early diagnosis; in addition, postoperative prognoses are excellent if surgery is performed early.
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