Pseudotumor cerebri MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Overview

MRI

MRI findings of parenchyma and ventricles are mostly normal but some anomalies have been reported in IIH patients:

some of the less common findings are:

  • tonsillar ectopia

MRV (Magnetic resonance venography) finding is transverse venous sinus stenosis which is suggestive of increased intracranial pressure.[12]

References

  1. Brodsky MC, Vaphiades M (September 1998). "Magnetic resonance imaging in pseudotumor cerebri". Ophthalmology. 105 (9): 1686–93. doi:10.1016/S0161-6420(98)99039-X. PMID 9754178.
  2. Gibby WA, Cohen MS, Goldberg HI, Sergott RC (January 1993). "Pseudotumor cerebri: CT findings and correlation with vision loss". AJR Am J Roentgenol. 160 (1): 143–6. doi:10.2214/ajr.160.1.8416612. PMID 8416612.
  3. Jacobson DM, Karanjia PN, Olson KA, Warner JJ (September 1990). "Computed tomography ventricular size has no predictive value in diagnosing pseudotumor cerebri". Neurology. 40 (9): 1454–5. PMID 2392235.
  4. Manfré L, Lagalla R, Mangiameli A, Lupo F, Giuffré G, Ponte F, Cardinale AE (August 1995). "Idiopathic intracranial hypertension: orbital MRI". Neuroradiology. 37 (6): 459–61. PMID 7477858.
  5. Yuh WT, Zhu M, Taoka T, Quets JP, Maley JE, Muhonen MG, Schuster ME, Kardon RH (December 2000). "MR imaging of pituitary morphology in idiopathic intracranial hypertension". J Magn Reson Imaging. 12 (6): 808–13. PMID 11105018.
  6. Degnan AJ, Levy LM (December 2011). "Pseudotumor cerebri: brief review of clinical syndrome and imaging findings". AJNR Am J Neuroradiol. 32 (11): 1986–93. doi:10.3174/ajnr.A2404. PMID 21680652.
  7. Hoffmann J, Huppertz HJ, Schmidt C, Kunte H, Harms L, Klingebiel R, Wiener E (October 2013). "Morphometric and volumetric MRI changes in idiopathic intracranial hypertension". Cephalalgia. 33 (13): 1075–84. doi:10.1177/0333102413484095. PMID 23615489.
  8. Degnan AJ, Levy LM (2011). "Narrowing of Meckel's cave and cavernous sinus and enlargement of the optic nerve sheath in Pseudotumor Cerebri". J Comput Assist Tomogr. 35 (2): 308–12. doi:10.1097/RCT.0b013e31820d7a70. PMID 21412109.
  9. Butros SR, Goncalves LF, Thompson D, Agarwal A, Lee HK (July 2012). "Imaging features of idiopathic intracranial hypertension, including a new finding: widening of the foramen ovale". Acta Radiol. 53 (6): 682–8. doi:10.1258/ar.2012.110705. PMID 22761347.
  10. Banik R, Lin D, Miller NR (August 2006). "Prevalence of Chiari I malformation and cerebellar ectopia in patients with pseudotumor cerebri". J. Neurol. Sci. 247 (1): 71–5. doi:10.1016/j.jns.2006.03.016. PMID 16682058.
  11. Bialer OY, Rueda MP, Bruce BB, Newman NJ, Biousse V, Saindane AM (March 2014). "Meningoceles in idiopathic intracranial hypertension". AJR Am J Roentgenol. 202 (3): 608–13. doi:10.2214/AJR.13.10874. PMC 4041691. PMID 24555598.
  12. Kelly LP, Saindane AM, Bruce BB, Ridha MA, Riggeal BD, Newman NJ, Biousse V (August 2013). "Does bilateral transverse cerebral venous sinus stenosis exist in patients without increased intracranial pressure?". Clin Neurol Neurosurg. 115 (8): 1215–9. doi:10.1016/j.clineuro.2012.11.004. PMC 3610812. PMID 23219404.

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