Diagnostic evaluation

Noncontrast CT
  • detection of the stenosis itself (→ see here)
    • optimal for screening and follow-up
  • evaluation of the distal flow, including cerebral vasomotor reactivity (CVR)
  • detection of MES (microembolic signals)
Male 75 years with short lasting mild rightsided hemiparesis. According to new definition it is a stroke with transient symptoms , not TIA
  • Calcified carotid siphon stenosis
  • Internal carotid artery dissection on CTA
  • A chronic ICA occlusion
  • M1 segment stenosis on CTA
  • PACNS
CT angiografie
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
Calcified carotid siphon stenosis
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
CT perfúze
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
Calcified carotid siphon stenosis
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
MR angiography
Calcified carotid siphon stenosis
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
Calcified carotid siphon stenosis

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Noncontrast CT
  • detection of the stenosis itself (→ see here)
    • optimal for screening and follow-up
  • evaluation of the distal flow, including cerebral vasomotor reactivity (CVR)
  • detection of MES (microembolic signals)
Male 75 years with short lasting mild rightsided hemiparesis. According to new definition it is a stroke with transient symptoms , not TIA
  • Calcified carotid siphon stenosis
  • Internal carotid artery dissection on CTA
  • A chronic ICA occlusion
  • M1 segment stenosis on CTA
  • PACNS
CT angiografie
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
Calcified carotid siphon stenosis
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
CT perfúze
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
Calcified carotid siphon stenosis
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
MR angiography
Calcified carotid siphon stenosis
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
Calcified carotid siphon stenosis

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MR angiography
Calcified carotid siphon stenosis
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
  • the optimal imaging method is CTA
  • non-contrast intracranial MRA may overestimate the stenosis grade
Calcified carotid siphon stenosis

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Section 1

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Section 2

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Section 2

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