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Fig. 1 | The Journal of Headache and Pain

Fig. 1

From: Trigemino-autonomic headache related to Gasperini syndrome

Fig. 1

Infarction in the right cerebellar peduncle extending toward the pontine tegmentum and trigeminal entry zone, caused by the occlusion of the right anterior inferior cerebellar artery (AICA). a axial T2-weighted image, b axial and c sagittal MPR images showing the infarction which involves the trigeminal entry zone; on images b and c the trigeminal nerve is clearly visible (arrows). d MR-angiography showing the stenosis of the basilar artery (arrow) and occlusion of the right AICA, while the left AICA is clearly visible (arrowhead)

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