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A 29-year-old woman had cervicalgia and upper limb paraesthesia and was diagnosed with Chiari type I malformation (figure 1A). Preoperative continuous intracranial pressure monitoring showed pathological B waves and a decrease in posture-related intracranial pressure gradient, strongly suggesting a cerebrospinal fluid (CSF) hydrodynamic disorder, thus supporting our rationale for surgical intervention. She underwent posterior fossa decompensation without initial complications.
T-2 weighted image MR sagittal …
Footnotes
Contributors AU: drafting the manuscript. DG: data collection. CV: revising the manuscript and supervision. RM: revising the manuscript. PLG: revising the manuscript, guarantor.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed by Graham Flint, Birmingham, UK.
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