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Cerebrovascular disease
Simultaneous Doppelgänger and limb amputation impression in right frontal opercular stroke
  1. Joelle Nsimire Chabwine1,2,
  2. Cristina Granziera2,
  3. Maria Isabel Vargas3,
  4. Tatiana Aboulaffia2,
  5. Laurence Caratsch2,
  6. Armin Schnider1,
  7. Theodor Landis2,
  8. Fabienne Perren2
  1. 1Department of Clinical Neurosciences, Division of Neuro-Rehabilitation, University Hospital, Medical Faculty, and Neuroscience Centre of Geneva, Geneva, Switzerland
  2. 2Department of Clinical Neurosciences, Division of Neurology, University Hospital, Medical Faculty, and Neuroscience Centre of Geneva, Geneva, Switzerland
  3. 3Division of Neuro-Radiology, University Hospital, Medical Faculty, and Neuroscience Centre of Geneva, Geneva, Switzerland
  1. Correspondence to Dr F Perren, University Hospital and Medical Faculty of Geneva, Department of Clinical Neurosciences, Division of Neurology, 4, Rue Gabrielle Perret-Gentil, CH-1211 Geneva 14, Switzerland; fabienne.perren{at}hcuge.ch

Abstract

A case is described of a patient who presented almost simultaneously the impression that his left arm was amputated and the feeling of the presence of his invisible Doppelgänger. While these body scheme disorders have both been described after (right) parietal lesions, a right frontal opercular ischaemic stroke was found in the neurological work up. Diffusion tensor imaging showed that the stroke involved the ventral bundle of the superior longitudinal fasciculus that connects the parietal to the frontal lobe. The unusual clinical presentation of this frontal lesion may have been due to a ‘diaschisis’-like phenomenon via the superior longitudinal fasciculus.

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Footnotes

  • JNC and CG contributed equally to this paper.

  • Competing interests None.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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