[journal] Bonaroti EA / 1998 / Posterior epidural migration of an extruded lumbar disc fragment causing cauda equina syndrome. Clinical and magnetic resonance imaging evaluation / Spine 23 : 378~381

[journal] Manabe S / 1986 / Epidural migration of extruded cervical disc and its surgical treatment / Spine 11 : 873~878

[journal] Giannini C / 1996 / Pigmented villonodular synovitis of the spine: a clinical, radiological and morphological study of 12 cases / J Neurosurg 84 : 592~597

[journal] Baker JK / 1994 / Cyst of the ligamentum flavum / Spine 19 : 1092~1094

[journal] Masaryk TJ / 1988 / High-resolution MR imaging of sequestered lumbar intervertebral disks / Am I Roentgenol 150 : 1155~1162

[journal] Schellinger D / 1990 / Disk fragment migration / Radiology 175 : 831~836

[journal] Lutz JD / 1990 / CT myelography of a fragment of a lumbar disk sequestered posterior to the thecal sac / AJNR Am J Neuroradiol 11 : 610~611

[journal] Bonaldi VM / 1996 / Tophaceous gout of the lumbar spine mimicking an epidural abscess: MR features / AJNR Am J Neuroradiol 17 : 1949~1952

[journal] Liu SS / 1989 / Synovial cysts of the lumbosacral spine: diagnosis by MR imaging / AJNR Am J Neuroradiol 10 : 1239~1242