title: Advanced imaging assessment of posterior circulation stroke before and after endovascular intervention.
abstract: BACKGROUND
  Perfusion-computed tomography (CTP) is a relatively new technique that allows rapid semiquantitative noninvasive evaluation of cerebral perfusion aiding in the diagnosis of cerebral ischemia and infarction. There is a paucity of data on its application within the posterior circulation, especially, the brainstem. We describe a case of basilar artery thrombosis with cerebellar and brainstem CTP mismatch and discuss possible future applications of CTP for acute posterior fossa circulation and infarction.
  
  
  METHODS
  Case report.
  
  
  RESULTS
  Successful use of CTP to aid in decision to proceed with neurointervention in acute basilar artery occlusion and confirm its resolution after mechanical clot retrieval.
  
  
  CONCLUSIONS
  Perfusion-computed tomography can successfully be used to define cerebral ischemia and infarction within the posterior fossa and aid in decisions to proceed with neurointervention.
authors: Department of Neurology, University of Mississippi Medical Center, 2500 N. State St, Jackson, MS 39216, USA. akhan@umc.edu
authors: Asif A
authors: AA
authors: Khan
authors: Joseph
authors: J
authors: Gatlin
authors: Hartmut
authors: H
authors: Uschmann
authors: Gustavo
authors: G
authors: Luzardo
authors: Razvan
authors: R
authors: Buciuc
authors: Majid
authors: M
authors: Khan
mesh_terms: D001488:Basilar Artery / Q000000981:diagnostic imaging; D001933:Brain Stem / Q000098:blood supply / Q000000981:diagnostic imaging; D002533:Cerebral Angiography / Q000379:methods*; D006801:Humans; D020762:Infarction, Posterior Cerebral Artery / Q000000981:diagnostic imaging* / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D017131:Thrombectomy; D014057:Tomography, X-Ray Computed / Q000379:methods*