Spinal fluid collection contiguous with thecal sac, not lined with meninges
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Nonvascular Interventions
Other Modality Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Ghodasara N et al: Postoperative spinal CT: what the radiologist needs to know. Radiographics. 39(6):1840-61, 2019
Sellin JN et al: Cerebrospinal fluid leak and symptomatic pseudomeningocele after intradural spine surgery. World Neurosurg. 120:e497-502, 2018
Shu W et al: Nerve root entrapment with pseudomeningocele after percutaneous endoscopic lumbar discectomy: a case report. J Spinal Cord Med. 1-4, 2018
Radcliff KE et al: Distinguishing pseudomeningocele, epidural hematoma, and postoperative infection on postoperative MRI. J Spinal Disord Tech. 29(9):E471-4, 2016
Drummond JC et al: Direct pressure on a pseudomeningocele resulting in intraoperative cerebral ischemia. Can J Anaesth. 61(7):656-9, 2014
Mihlon F et al: Computed tomography-guided epidural patching of postoperative cerebrospinal fluid leaks. J Neurosurg Spine. 1-6, 2014
Horn EM et al: Spinal cord compression from traumatic anterior cervical pseudomeningoceles. Report of three cases. J Neurosurg Spine. 5(3):254-8, 2006
Scaduto AA et al: Perioperative complications of threaded cylindrical lumbar interbody fusion devices: anterior versus posterior approach. J Spinal Disord Tech. 16(6):502-7, 2003
Phillips CD et al: Depiction of a postoperative pseudomeningocele with digital subtraction myelography. AJNR Am J Neuroradiol. 23(2):337-8, 2002
Bosacco SJ et al: Evaluation and treatment of dural tears in lumbar spine surgery: a review. Clin Orthop Relat Res. (389):238-47, 2001
Elbiaadi-Aziz N et al: Cerebrospinal fluid leak treated by aspiration and epidural blood patch under computed tomography guidance. Reg Anesth Pain Med. 26(4):363-7, 2001
Jinkins JR et al: The postsurgical lumbosacral spine. Magnetic resonance imaging evaluation following intervertebral disk surgery, surgical decompression, intervertebral bony fusion, and spinal instrumentation. Radiol Clin North Am. 39(1):1-29, 2001
Ross JS: Magnetic resonance imaging of the postoperative spine. Semin Musculoskelet Radiol. 4(3):281-91, 2000
Stambough JL et al: Subarachnoid drainage of an established or chronic pseudomeningocele. J Spinal Disord. 13(1):39-41, 2000
Saunders RL et al: Four-level cervical corpectomy. Spine. 23(22):2455-61, 1998
McCormack BM et al: Pseudomeningocele/CSF fistula in a patient with lumbar spinal implants treated with epidural blood patch and a brief course of closed subarachnoid drainage. A case report. Spine. 21(19):2273-6, 1996
Aldrete JA et al: Postlaminectomy pseudomeningocele. An unsuspected cause of low back pain. Reg Anesth. 20(1):75-9, 1995
Hosono N et al: Postoperative cervical pseudomeningocele with herniation of the spinal cord. Spine. 20(19):2147-50, 1995
Lee KS et al: Postlaminectomy lumbar pseudomeningocele: report of four cases. Neurosurgery. 30(1):111-4, 1992
Shapiro SA et al: Closed continuous drainage of cerebrospinal fluid via a lumbar subarachnoid catheter for treatment or prevention of cranial/spinal cerebrospinal fluid fistula. Neurosurgery. 30(2):241-5, 1992
Murayama S et al: Magnetic resonance imaging of post-surgical pseudomeningocele. Comput Med Imaging Graph. 13(4):335-9, 1989
Schumacher HW et al: Pseudomeningocele of the lumbar spine. Surg Neurol. 29(1):77-8, 1988
Tuvia J et al: Visualization of a pseudomeningocele on isotope cisternography. Clin Nucl Med. 13(12):889-91, 1988
Teplick JG et al: CT Identification of postlaminectomy pseudomeningocele. AJR Am J Roentgenol. 140(6):1203-6, 1983
Eismont FJ et al: Treatment of dural tears associated with spinal surgery. J Bone Joint Surg Am. 63(7):1132-6, 1981
Helle TL et al: Postoperative cervical pseudomeningocele as a cause of delayed myelopathy. Neurosurgery. 9(3):314-6, 1981
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
Dural dehiscence, pseudocyst, CSF leak
Definitions
Spinal fluid collection contiguous with thecal sac, not lined with meninges
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Nonvascular Interventions
Other Modality Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Ghodasara N et al: Postoperative spinal CT: what the radiologist needs to know. Radiographics. 39(6):1840-61, 2019
Sellin JN et al: Cerebrospinal fluid leak and symptomatic pseudomeningocele after intradural spine surgery. World Neurosurg. 120:e497-502, 2018
Shu W et al: Nerve root entrapment with pseudomeningocele after percutaneous endoscopic lumbar discectomy: a case report. J Spinal Cord Med. 1-4, 2018
Radcliff KE et al: Distinguishing pseudomeningocele, epidural hematoma, and postoperative infection on postoperative MRI. J Spinal Disord Tech. 29(9):E471-4, 2016
Drummond JC et al: Direct pressure on a pseudomeningocele resulting in intraoperative cerebral ischemia. Can J Anaesth. 61(7):656-9, 2014
Mihlon F et al: Computed tomography-guided epidural patching of postoperative cerebrospinal fluid leaks. J Neurosurg Spine. 1-6, 2014
Horn EM et al: Spinal cord compression from traumatic anterior cervical pseudomeningoceles. Report of three cases. J Neurosurg Spine. 5(3):254-8, 2006
Scaduto AA et al: Perioperative complications of threaded cylindrical lumbar interbody fusion devices: anterior versus posterior approach. J Spinal Disord Tech. 16(6):502-7, 2003
Phillips CD et al: Depiction of a postoperative pseudomeningocele with digital subtraction myelography. AJNR Am J Neuroradiol. 23(2):337-8, 2002
Bosacco SJ et al: Evaluation and treatment of dural tears in lumbar spine surgery: a review. Clin Orthop Relat Res. (389):238-47, 2001
Elbiaadi-Aziz N et al: Cerebrospinal fluid leak treated by aspiration and epidural blood patch under computed tomography guidance. Reg Anesth Pain Med. 26(4):363-7, 2001
Jinkins JR et al: The postsurgical lumbosacral spine. Magnetic resonance imaging evaluation following intervertebral disk surgery, surgical decompression, intervertebral bony fusion, and spinal instrumentation. Radiol Clin North Am. 39(1):1-29, 2001
Ross JS: Magnetic resonance imaging of the postoperative spine. Semin Musculoskelet Radiol. 4(3):281-91, 2000
Stambough JL et al: Subarachnoid drainage of an established or chronic pseudomeningocele. J Spinal Disord. 13(1):39-41, 2000
Saunders RL et al: Four-level cervical corpectomy. Spine. 23(22):2455-61, 1998
McCormack BM et al: Pseudomeningocele/CSF fistula in a patient with lumbar spinal implants treated with epidural blood patch and a brief course of closed subarachnoid drainage. A case report. Spine. 21(19):2273-6, 1996
Aldrete JA et al: Postlaminectomy pseudomeningocele. An unsuspected cause of low back pain. Reg Anesth. 20(1):75-9, 1995
Hosono N et al: Postoperative cervical pseudomeningocele with herniation of the spinal cord. Spine. 20(19):2147-50, 1995
Lee KS et al: Postlaminectomy lumbar pseudomeningocele: report of four cases. Neurosurgery. 30(1):111-4, 1992
Shapiro SA et al: Closed continuous drainage of cerebrospinal fluid via a lumbar subarachnoid catheter for treatment or prevention of cranial/spinal cerebrospinal fluid fistula. Neurosurgery. 30(2):241-5, 1992
Murayama S et al: Magnetic resonance imaging of post-surgical pseudomeningocele. Comput Med Imaging Graph. 13(4):335-9, 1989
Schumacher HW et al: Pseudomeningocele of the lumbar spine. Surg Neurol. 29(1):77-8, 1988
Tuvia J et al: Visualization of a pseudomeningocele on isotope cisternography. Clin Nucl Med. 13(12):889-91, 1988
Teplick JG et al: CT Identification of postlaminectomy pseudomeningocele. AJR Am J Roentgenol. 140(6):1203-6, 1983
Eismont FJ et al: Treatment of dural tears associated with spinal surgery. J Bone Joint Surg Am. 63(7):1132-6, 1981
Helle TL et al: Postoperative cervical pseudomeningocele as a cause of delayed myelopathy. Neurosurgery. 9(3):314-6, 1981
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