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Case report
Republished: Mechanical thrombectomy for repeated cerebral tumor embolism from a thoracic sarcomatoid carcinoma
  1. Raoul Pop1,2,
  2. Dan Mihoc1,
  3. Monica Manisor1,
  4. Johann Sebastian Richter1,
  5. Veronique Lindner3,
  6. Ralf Janssen-Langenstein4,
  7. Mihaela Simu2,
  8. Valerie Wolff5,
  9. Remy Beaujeux1
  1. 1 Interventional Neuroradiology, Hopitaux universitaires de Strasbourg, Strasbourg, France
  2. 2 Neurology, Victor Babes University of Medicine and Pharmacy, Timisoara, Romania
  3. 3 Pathology Department, Hopitaux universitaires de Strasbourg, Strasbourg, France
  4. 4 Intensive Care, Hopitaux universitaires de Strasbourg, Strasbourg, France
  5. 5 Stroke Unit, Hopitaux universitaires de Strasbourg, Strasbourg, France
  1. Correspondence to Dr Raoul Pop, Neuroradiologie Interventionnelle UF 6954, Hopital de Hautepierre, 1 Avenue Moliere, Strasbourg, France; pop.raoul{at}


Cerebral embolism originating from intracardiac tumors represents a rare cause of stroke and has been documented in both adult and pediatric populations. We present a patient recently diagnosed with a right pulmonary hilum tumor, invading the pulmonary veins and the left atrium. Two consecutive episodes of large cerebral vessel occlusion in separate vascular territories occurred in the same day and were treated by mechanical thrombectomy. Embolic material retrieved on both occasions contained tumor fragments with peripheral endothelialization. To our knowledge, this is the first report with histological confirmation of cerebral embolism from an invasive extracardiac tumor.

  • thrombectomy
  • stroke
  • tumor

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  • Contributors RP: endovascular procedures, manuscript drafting, image processing, and literature review. VL: pathology analysis and manuscript review. DM and JSR: endovascular procedures and manuscript review. RJ-L: patient care and manuscript review. MM, MS, VW, and RB: manuscript review.

  • Competing interests None declared.

  • Patient consent Obtained from next of kin.

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