True Intraspinal Neurenteric Cyst in the Lumbosacral Region : Case Report

概要

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A 56-year-old man presented with a very rare true neurenteric cyst in the conus medullaris without evidence of vertebral or visceral anomaly manifesting as a 6-month history of mild low back and bilateral inguinal pain. No motor weakness was found in the bilateral lower extremities. He had also suffered dysesthesia in the bilateral feet for several weeks before admission. Lumbar spine magnetic resonance (MR) imaging demonstrated a cystic intradural extramedullary mass at the L1-2 levels without enhancement after gadolinium injection. MR imaging, computed tomography, and radiography detected no vertebral anomaly. Lumbar laminectomy at the L1-2 levels was performed and the lesion was incompletely removed. Histological examination showed the cystic wall lined with ciliated columnar epithelium. Neurenteric cyst should be considered in the diagnosis of isolated cystic mass lesion at the lumbosacral region even in the absence of vertebral or visceral abnormality.
社団法人日本脳神経外科学会の論文
2007-05-15