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Dispersion and ‘salted pretzel sign’ from thrombolysis of a spontaneous calcified embolus in an acute stroke
  1. Markus Gschwind1,
  2. Stefano Binaghi2,
  3. Anastasia Zekeridou1,
  4. Patrik Michel1
  1. 1Department of Clinical Neuroscience, Neurology Service, Centre Hospitalier Universitaire Vaudois, University of Lausanne, Lausanne, Switzerland
  2. 2Interventional Neuroradiology, Radiology Department, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Lausanne, Switzerland
  1. Correspondence to Dr Markus Gschwind, Neurology Service BH13, Department of Clinical Neuroscience, Center Hospitalier Universitaire Vaudois (CHUV), University of Lausanne, Rue du Bugnon 46, Lausanne CH-1011, Switzerland; markus.gschwind{at}

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Emboli are one of the main causes of cerebral ischaemia and acute stroke. Calcified emboli are much less frequent, and most of the few reported cases occurred secondary to manipulation (aortic valve disease and cardiac catheterisation).1 Cases of spontaneous calcified emboli from the carotid artery, without previous manipulation, are very rare.2 While intravenous thrombolysis is the standard …

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  • Competing interests None.

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