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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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References
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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
