A 19-year-old woman reported progressively worsening involuntary head movements since the age of 7. She had visited multiple hospitals and been labelled as having a functional disorder. Detailed evaluation identified a large supra-sellar arachnoid cyst with hydrocephalus. We made a diagnosis of bobble-head doll syndrome, which is only very rarely associated with suprasellar arachnoid cyst. Her symptoms improved rapidly following endoscopic third ventriculostomy with cyst fenestration and gradual decompression of the ventricles. Clearly, not all suppressible movements should be labelled as psychogenic.
- Movement disorders
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Contributors RS is responsible for study supervision, acquisition of data, analysis and interpretation, critical revision of the manuscript for important intellectual content; DIP is responsible for study concept and design, acquisition of data, analysis and interpretation, writing of the manuscript; SKN is responsible for study supervision, critical revision of the manuscript for important intellectual content; SC is involved in the acquisition of data and contributed in case management.
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.
Patient consent for publication Consent obtained directly from patient(s).
Provenance and peer review Not commissioned. Externally peer reviewed by Oliver Bandmann, Sheffield, UK.
Data availability statement Not applicable.