BMJ Case Reports 2017; doi:10.1136/bcr-2017-220155

Arterial spin-labelled perfusion MRI demonstrates early spontaneous recanalisation of clot after cardiogenic embolism

  1. Tsuyoshi Uchiyama
  1. Department of Neurology, Seirei Hamamatsu General Hospital, Hamamatsu, Shizuoka, Japan
  1. Correspondence to Dr Daisuke Yamamoto, daisuke-yama{at}
  • Accepted 3 April 2017
  • Published 21 April 2017


A 71-year-old man with atrial fibrillation was presented to the emergency department 30 min after the sudden onset of disturbance of consciousness. On examination, he showed a disturbance of consciousness (Glasgow Coma Score: E4V2M5) and severe right hemiplegia, which subsequently improved, and he finally presented with moderate sensory aphasia alone. CT of the head showed no haemorrhage. Diffusion-weighted MRI (DW-MRI) of the brain showed a high-intensity spot lesion in the left insular cortex (figure 1A). Arterial spin-labelled (ASL) perfusion MRI showed hyperperfusion in the same …

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