case_images: PMC6362309_01
case_images: Extracranial CTA: Diffuse severe left ICA narrowing from 0.5 cm beyond the carotid bifurcation (arrows), consistent with "Alagille vasculopathy."
case_images: fneur-09-01194-g0001.jpg
case_images: PMC6362309_01_fneur-09-01194-g0001.jpg
case_images: F1
case_images: Extracranial MRA (not shown) and CTA (Figure 1) revealed a diffusely-narrowed left ICA.
case_images: Formal Catheter Angiography: Sagittal views following left carotid injection showed >=75% extracranial LICA stenosis (arrow). LICA was occluded in the supraclinoid segment after the left ophthalmic artery origin with moyamoya phenomenon (not shown).
case_images: fneur-09-01194-g0002.jpg
case_images: PMC6362309_01_fneur-09-01194-g0002.jpg
case_images: F2
case_images: Formal cerebral angiography confirmed severe left ICA narrowing suspicious of either prior left ICA dissection or vasculopathy (Figure 2), and confirmed moyamoya phenomenon in the anterior and posterior circulations (Figure 3).
case_images: AP views following left vertebral artery injection showed moyamoya phenomenon around the proximal left PCA (arrow).
case_images: fneur-09-01194-g0003.jpg
case_images: PMC6362309_01_fneur-09-01194-g0003.jpg
case_images: F3
case_images: Formal cerebral angiography confirmed severe left ICA narrowing suspicious of either prior left ICA dissection or vasculopathy (Figure 2), and confirmed moyamoya phenomenon in the anterior and posterior circulations (Figure 3).