Spontaneous intracranial hypotension (SIH): MRI features
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Spontaneous intracranial hypotension (SIH): MRI features. Subdural: pseudo-subarachnoid haemorrhage. Fully referenced neurology checklist.
Fluid collections: locations
- Subdural: pseudo-subarachnoid haemorrhage
- Retrospinal: at C1-C2 level
- Extrathecal
Meningeal features
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Engorgements
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Spinal features
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Other features
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MRI differentials
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References
- Schievink WI. Spontaneous spinal cerebrospinal fluid leaks and intracranial hypotension. JAMA 2006; 295:2286-2296.
- Leep Hunderfund AN, Mokri B. Orthostatic headache without CSF leak. Neurology 2008; 71:1902-1906.
- Schievink WI, Maya MM, Tourje J, Moser FG. Pseudo-subarachnoid hemorrhage: a CT-finding in spontaneous intracranial hypotension. Neurology 2005; 65:135-137.
- Lagrand TJ, Beukers R. Sagging brain causing postural loss of consciousness: a case of severe spontaneous intracranial hypotension. Pract Neurol 2015; 15:471-473.
- Kim SC, Ryoo I, Sun HY, Park SW. MRI findings of spontaneous intracranial hypotension: usefulness of straight sinus distention. Am J Roentgenol 2019; 26:1-7.
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