Arnold-Chiari malformation differential diagnosis

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

Overview

On the basis of seizure, visual disturbance, and constitutional symptoms, Arnold-Chiari malformation must be differentiated from astrocytoma, oligodendroglioma, meningioma, hemangioblastoma, pituitary adenoma, schwannoma, primary CNS lymphoma, medulloblastoma, ependymoma, craniopharyngioma, pinealoma, AV malformation, brain aneurysm, bacterial brain abscess, tuberculosis, toxoplasmosis, hydatid cyst, CNS cryptococcosis, CNS aspergillosis, and brain metastasis.

Differentiating Arnold-Chiari malformation from other Diseases

Differentiating Arnold-Chiari malformation from other diseases on the basis of seizure, visual disturbance, and constitutional symptoms

On the basis of seizure, visual disturbance, and constitutional symptoms, Arnold-Chiari malformation must be differentiated from astrocytoma, oligodendroglioma, meningioma, hemangioblastoma, pituitary adenoma, schwannoma, primary CNS lymphoma, medulloblastoma, ependymoma, craniopharyngioma, pinealoma, AV malformation, brain aneurysm, bacterial brain abscess, tuberculosis, toxoplasmosis, hydatid cyst, CNS cryptococcosis, CNS aspergillosis, and brain metastasis.

Diseases Clinical manifestations Para-clinical findings Gold
standard 		Additional findings
Symptoms Physical examination
Lab Findings MRI Immunohistopathology
Head-
ache 		Seizure Visual disturbance Constitutional Focal neurological deficit
Other
Arnold-Chiari malformation [1][2][3] + + + − + −
Brain metastasis
[4][5] 		+ +/− +/− + + −
  • Based on the primary cancer type we may have different immunohistopathology findings.
  • History/ imaging
Adult primary brain tumors
Glioblastoma multiforme
[6][7][5] 		+ +/− +/− − + −
  • Pseudopalisading appearance
Oligodendroglioma
[8][9][10] 		+ + +/− − + −
  • Chicken wire capillary pattern
  • Fried egg cell appearance
Meningioma
[11][12][13] 		+ +/− +/− − + −
  • Well circumscribed
  • Extra-axial mass
  • Whorled spindle cell pattern
  • May be associated with NF-2
Hemangioblastoma
[14][15][16][17] 		+ +/− +/− − + −
Pituitary adenoma
[18][19][5] 		− − + Bitemporal hemianopia − −
  • It is associated with MEN1 disease.
Schwannoma
[20][21][22][23] 		− − − − + −
  • Split-fat sign
  • Fascicular sign
  • Often have areas of hemosiderin
  • S100+
Primary CNS lymphoma
[24][25] 		+ +/− +/− − + −
  • Single mass with ring enhancement
Childhood primary brain tumors
Pilocytic astrocytoma
[26][27][28] 		+ +/− +/− − + −
Medulloblastoma
[29][30][31] 		+ +/− +/− − + −
  • Homer wright rosettes
Ependymoma
[32][5] 		+ +/− +/− − + −
  • Hydrocephalus
  • Causes an unusually persistent, continuous headache in children.
Craniopharyngioma
[33][34][35][5] 		+ +/− + Bitemporal hemianopia − +
Pinealoma
[36][37][38] 		+ +/− +/− − + vertical gaze palsy
  • May cause prinaud syndrome (vertical gaze palsy, pupillary light-near dissociation, lid retraction and convergence-retraction nystagmus
Vascular
AV malformation
[39][40][5] 		+ + +/− − +/− −
Brain aneurysm
[41][42][43][44][45] 		+ +/− +/− − +/− −
  • MRA and CTA
Infectious
Bacterial brain abscess
[46][47] 		+ +/− +/− + +
  • Central hypodense signal and surrounding ring-enhancement in T1
  • Central hyperintense area surrounded by a well-defined hypointense capsule with surrounding edema in T2
  • History/ imaging
Tuberculosis
[48][5][49] 		+ +/− +/− + +
  • Lab data/ Imaging
Toxoplasmosis
[50][51] 		+ +/− +/− − +
  • History/ imaging
Hydatid cyst
[52][5] 		+ +/− +/− +/− +
  • Imaging
CNS cryptococcosis
[53] 		+ +/− +/− + +
  • We may see numerous acutely branching septate hyphae
  • Lab data/ Imaging
CNS aspergillosis
[54] 		+ +/− +/− + +
  • Multiple abscesses
  • Ring enhancement
  • Peripheral low signal intensity on T2
  • We may see numerous acutely branching septate hyphae
  • Lab data/ Imaging

ABBREVIATIONS

CNS=Central nervous system, AV=Arteriovenous, CSF=Cerebrospinal fluid, NF-2=Neurofibromatosis type 2, MEN-1=Multiple endocrine neoplasia, GFAP=Glial fibrillary acidic protein, HIV=Human immunodeficiency virus, BhCG=Human chorionic gonadotropin, ESR=Erythrocyte sedimentation rate, AFB=Acid fast bacilli, MRA=Magnetic resonance angiography, CTA=CT angiography

References

  1. ↑ "Neuropathology For Medical Students".
  2. ↑ Milhorat TH, Bolognese PA, Nishikawa M, McDonnell NB, Francomano CA (2007). "Syndrome of occipitoatlantoaxial hypermobility, cranial settling, and chiari malformation type I in patients with hereditary disorders of connective tissue". Journal of Neurosurgery: Spine. 7 (6): 601–9. doi:10.3171/SPI-07/12/601. PMID 18074684. Unknown parameter |month= ignored (help)
  3. ↑ Meadows, Jeffery; Kraut, Michael; Guarnieri, Michael; Haroun, Raymond I.; Carson, Benjamin S. (2000). "Asymptomatic Chiari Type I malformations identified on magnetic resonance imaging". Journal of Neurosurgery. 92 (6): 920–926. doi:10.3171/jns.2000.92.6.0920. ISSN 0022-3085.
  4. ↑ Pope WB (2018). "Brain metastases: neuroimaging". Handb Clin Neurol. 149: 89–112. doi:10.1016/B978-0-12-811161-1.00007-4. PMC 6118134. PMID 29307364.
  5. ↑ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 Mattle, Heinrich (2017). Fundamentals of neurology : an illustrated guide. Stuttgart New York: Thieme. ISBN 9783131364524.
  6. ↑ Sathornsumetee S, Rich JN, Reardon DA (November 2007). "Diagnosis and treatment of high-grade astrocytoma". Neurol Clin. 25 (4): 1111–39, x. doi:10.1016/j.ncl.2007.07.004. PMID 17964028.
  7. ↑ Pedersen CL, Romner B (January 2013). "Current treatment of low grade astrocytoma: a review". Clin Neurol Neurosurg. 115 (1): 1–8. doi:10.1016/j.clineuro.2012.07.002. PMID 22819718.
  8. ↑ Smits M (2016). "Imaging of oligodendroglioma". Br J Radiol. 89 (1060): 20150857. doi:10.1259/bjr.20150857. PMC 4846213. PMID 26849038.
  9. ↑ Wesseling P, van den Bent M, Perry A (June 2015). "Oligodendroglioma: pathology, molecular mechanisms and markers". Acta Neuropathol. 129 (6): 809–27. doi:10.1007/s00401-015-1424-1. PMC 4436696. PMID 25943885.
  10. ↑ Kerkhof M, Benit C, Duran-Pena A, Vecht CJ (2015). "Seizures in oligodendroglial tumors". CNS Oncol. 4 (5): 347–56. doi:10.2217/cns.15.29. PMC 6082346. PMID 26478444.
  11. ↑ Zee CS, Chin T, Segall HD, Destian S, Ahmadi J (June 1992). "Magnetic resonance imaging of meningiomas". Semin. Ultrasound CT MR. 13 (3): 154–69. PMID 1642904.
  12. ↑ Shibuya M (2015). "Pathology and molecular genetics of meningioma: recent advances". Neurol. Med. Chir. (Tokyo). 55 (1): 14–27. doi:10.2176/nmc.ra.2014-0233. PMID 25744347.
  13. ↑ Begnami MD, Palau M, Rushing EJ, Santi M, Quezado M (September 2007). "Evaluation of NF2 gene deletion in sporadic schwannomas, meningiomas, and ependymomas by chromogenic in situ hybridization". Hum. Pathol. 38 (9): 1345–50. doi:10.1016/j.humpath.2007.01.027. PMC 2094208. PMID 17509660.
  14. ↑ Lonser RR, Butman JA, Huntoon K, Asthagiri AR, Wu T, Bakhtian KD, Chew EY, Zhuang Z, Linehan WM, Oldfield EH (May 2014). "Prospective natural history study of central nervous system hemangioblastomas in von Hippel-Lindau disease". J. Neurosurg. 120 (5): 1055–62. doi:10.3171/2014.1.JNS131431. PMC 4762041. PMID 24579662.
  15. ↑ Hussein MR (October 2007). "Central nervous system capillary haemangioblastoma: the pathologist's viewpoint". Int J Exp Pathol. 88 (5): 311–24. doi:10.1111/j.1365-2613.2007.00535.x. PMC 2517334. PMID 17877533.
  16. ↑ Lee SR, Sanches J, Mark AS, Dillon WP, Norman D, Newton TH (May 1989). "Posterior fossa hemangioblastomas: MR imaging". Radiology. 171 (2): 463–8. doi:10.1148/radiology.171.2.2704812. PMID 2704812.
  17. ↑ Perks WH, Cross JN, Sivapragasam S, Johnson P (March 1976). "Supratentorial haemangioblastoma with polycythaemia". J. Neurol. Neurosurg. Psychiatry. 39 (3): 218–20. PMID 945331.
  18. ↑ Kucharczyk W, Davis DO, Kelly WM, Sze G, Norman D, Newton TH (December 1986). "Pituitary adenomas: high-resolution MR imaging at 1.5 T". Radiology. 161 (3): 761–5. doi:10.1148/radiology.161.3.3786729. PMID 3786729.
  19. ↑ Syro LV, Scheithauer BW, Kovacs K, Toledo RA, Londoño FJ, Ortiz LD, Rotondo F, Horvath E, Uribe H (2012). "Pituitary tumors in patients with MEN1 syndrome". Clinics (Sao Paulo). 67 Suppl 1: 43–8. PMC 3328811. PMID 22584705.
  20. ↑ Donnelly, Martin J.; Daly, Carmel A.; Briggs, Robert J. S. (2007). "MR imaging features of an intracochlear acoustic schwannoma". The Journal of Laryngology & Otology. 108 (12). doi:10.1017/S0022215100129056. ISSN 0022-2151.
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  24. ↑ Chinn RJ, Wilkinson ID, Hall-Craggs MA, Paley MN, Miller RF, Kendall BE, Newman SP, Harrison MJ (December 1995). "Toxoplasmosis and primary central nervous system lymphoma in HIV infection: diagnosis with MR spectroscopy". Radiology. 197 (3): 649–54. doi:10.1148/radiology.197.3.7480733. PMID 7480733.
  25. ↑ Paulus, Werner (1999). "Classification, Pathogenesis and Molecular Pathology of Primary CNS Lymphomas". Journal of Neuro-Oncology. 43 (3): 203–208. doi:10.1023/A:1006242116122. ISSN 0167-594X.
  26. ↑ Sathornsumetee S, Rich JN, Reardon DA (November 2007). "Diagnosis and treatment of high-grade astrocytoma". Neurol Clin. 25 (4): 1111–39, x. doi:10.1016/j.ncl.2007.07.004. PMID 17964028.
  27. ↑ Pedersen CL, Romner B (January 2013). "Current treatment of low grade astrocytoma: a review". Clin Neurol Neurosurg. 115 (1): 1–8. doi:10.1016/j.clineuro.2012.07.002. PMID 22819718.
  28. ↑ Mattle, Heinrich (2017). Fundamentals of neurology : an illustrated guide. Stuttgart New York: Thieme. ISBN 9783131364524.
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  37. ↑ Sano, Keiji (1976). "Pinealoma in Children". Pediatric Neurosurgery. 2 (1): 67–72. doi:10.1159/000119602. ISSN 1016-2291.
  38. ↑ Baggenstoss, Archie H. (1939). "PINEALOMAS". Archives of Neurology And Psychiatry. 41 (6): 1187. doi:10.1001/archneurpsyc.1939.02270180115011. ISSN 0096-6754.
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  40. ↑ Fleetwood, Ian G; Steinberg, Gary K (2002). "Arteriovenous malformations". The Lancet. 359 (9309): 863–873. doi:10.1016/S0140-6736(02)07946-1. ISSN 0140-6736.
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  46. ↑ Haimes, AB; Zimmerman, RD; Morgello, S; Weingarten, K; Becker, RD; Jennis, R; Deck, MD (1989). "MR imaging of brain abscesses". American Journal of Roentgenology. 152 (5): 1073–1085. doi:10.2214/ajr.152.5.1073. ISSN 0361-803X.
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  50. ↑ Chinn RJ, Wilkinson ID, Hall-Craggs MA, Paley MN, Miller RF, Kendall BE, Newman SP, Harrison MJ (December 1995). "Toxoplasmosis and primary central nervous system lymphoma in HIV infection: diagnosis with MR spectroscopy". Radiology. 197 (3): 649–54. doi:10.1148/radiology.197.3.7480733. PMID 7480733.
  51. ↑ Helton KJ, Maron G, Mamcarz E, Leventaki V, Patay Z, Sadighi Z (November 2016). "Unusual magnetic resonance imaging presentation of post-BMT cerebral toxoplasmosis masquerading as meningoencephalitis and ventriculitis". Bone Marrow Transplant. 51 (11): 1533–1536. doi:10.1038/bmt.2016.168. PMID 27348541.
  52. ↑ Taslakian B, Darwish H (September 2016). "Intracranial hydatid cyst: imaging findings of a rare disease". BMJ Case Rep. 2016. doi:10.1136/bcr-2016-216570. PMC 5030532. PMID 27620198.
  53. ↑ McCarthy M, Rosengart A, Schuetz AN, Kontoyiannis DP, Walsh TJ (July 2014). "Mold infections of the central nervous system". N. Engl. J. Med. 371 (2): 150–60. doi:10.1056/NEJMra1216008. PMC 4840461. PMID 25006721.
  54. ↑ McCarthy M, Rosengart A, Schuetz AN, Kontoyiannis DP, Walsh TJ (July 2014). "Mold infections of the central nervous system". N. Engl. J. Med. 371 (2): 150–60. doi:10.1056/NEJMra1216008. PMC 4840461. PMID 25006721.
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