Nabors M W, Pait T G, Byrd E B, Karim N O, Davis D O, Kobrine A I, Rizzoli H V
Department of Neurosurgery, George Washington University Medical Center, Washington, D.C.
J Neurosurg. 1988 Mar;68(3):366-77. doi: 10.3171/jns.1988.68.3.0366.
The classification of spinal meningeal cysts (MC's) in the literature is indistinct, confusing, and in certain categories histologically misleading. Based on a series of 22 cases, the authors propose a classification comprising three categories: spinal extradural MC's without spinal nerve root fibers (Type I); spinal extradural MC's with spinal nerve root fibers (Type II); and spinal intradural MC's (Type III). Although water-soluble myelography may disclose a filling defect for all three categories, computerized tomographic myelography (CTM) is essential to reveal communication between the cyst and the subarachnoid space. Communication demonstrated by CTM allows accurate diagnosis of a spinal MC and rules out other mass lesions. Magnetic resonance imaging appears useful as an initial study to identify an intraspinal cystic mass. Final characterization is based on operative inspection and histological examination for all three categories.
文献中关于脊髓脑脊膜囊肿（MC）的分类不明确、令人困惑，并且在某些类别上存在组织学误导。基于一系列22例病例，作者提出了一种包含三类的分类方法：无脊髓神经根纤维的脊髓硬膜外MC（I型）；有脊髓神经根纤维的脊髓硬膜外MC（II型）；以及脊髓硬膜内MC（III型）。尽管水溶性脊髓造影可能显示出这三类的充盈缺损，但计算机断层脊髓造影（CTM）对于揭示囊肿与蛛网膜下腔之间的连通至关重要。CTM显示的连通有助于准确诊断脊髓MC，并排除其他占位性病变。磁共振成像作为识别脊髓囊性肿块的初步研究似乎很有用。所有三类的最终特征鉴定基于手术检查和组织学检查。
