Tarlov cyst

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In medicine, Tarlov cysts, also called perineurial cysts are Type II, extradural arachnoid cysts[1][2] that are "perineurial cysts commonly found in the sacral region. They arise from the perineurium membrane within the spinal nerve roots. The distinctive feature of the cysts is the presence of spinal nerve root fibers within the cyst wall, or the cyst cavity itself."[3]

References

  1. Nabors MW, Pait TG, Byrd EB, Karim NO, Davis DO, Kobrine AI et al. (1988). "Updated assessment and current classification of spinal meningeal cysts.". J Neurosurg 68 (3): 366-77. DOI:10.3171/jns.1988.68.3.0366. PMID 3343608. Research Blogging.
  2. Brass SD, Dinkin MJ, Williams Z, Krishnamoorthy KS, Copen WA, Freeman SH (2009). "Case Records of the Massachusetts General Hospital. Case 38-2009 - a 16-year-old boy with paroxysmal headaches and visual changes.". N Engl J Med 361 (24): 2367-78. DOI:10.1056/NEJMcpc0905547. PMID 20007563. Research Blogging.
  3. Anonymous (2023), Tarlov cyst (English). Medical Subject Headings. U.S. National Library of Medicine.