References
- Zimmerman GA, Weingarten K, Lavyne M. Symp-tomatic lumbar epidural varices. Report of two cases. Neurosurg 1994;80:914–18.
- Cohen I. Extradural varix simulating herniated nucleus pulposis. I Mt Sinai Hosp 1941;8:136–8.
- Epstein BS. Low back pain associated with varices of the epidural vein simulating herniation of the nucleus pulposis. Am J Res 1947;57:736–40.
- Grenier N, Greselle JF, Douws C, et al. MR imaging of foraminal and extraforaminal disk herniations. I Comput Assist Tomogr 1990;14:243–9.
- Meijenhorst GC. CT of the lumbar epidural veins. Radiology 1982;14:687–91.
- Koroshetz AM, Taveras JM. Anatomy of the vertebrae and spinal cord In: Taveras JM, Ferrucci JT (eds) Radiology: diagnosis, imaging, intervention, 1st edn. Philadelphia: Lippincott Co 1990;3:101–5.
- Yazaki S, Muramatsu T, Yoneda M, et al. Venous pressure in the vertebral venous plexus and its role in cauda equina claudication. Nippon Seikeigeka Gakkai Zasshi 1988;62:733–45.
- Hoyland JA, Freemont AJ, Jayson MI. Intervertebral foramen venous obstruction. A cause of periradiculer fibrosis? Spine 1989;14:556–68.
- Zarski S, Sytcynski T. Varicosity of the lower part of the vertebral canal. Neurol Neurochir Pol 1978;12 :67–72.
- Giimbel U, Pia HW, Vogelsang H. Lumbosacrale gefassanomalien als ursache von ischialgien. Acta Neurchir (Wein) 1969;20:131–51.
- Oliver RJ, Greenwood RC, Smith D., et al. Spinal varicosities complicated by pregnancy. Case report. Am J Obstet Gynecol 1966;94 :258–60.