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Fig. 1 | BMC Neurology

Fig. 1

From: Persistent trigeminal artery in a patient with posterior circulation stroke treated with rt-PA: case report

Fig. 1

– Schematic representation of the vertebrobasilar system, a) without PTA, b) with Saltazman type 1 PTA, showing BA hypoplasia proximal to the PTA, c) with Saltazman type 2 PTA, showing the PCAs predominantly supplied by the PcoA. BA – basilar artery, ICA – internal carotid artery, PCA – posterior cerebral artery, PcoA – posterior communicating artery, PTA – persistent trigeminal artery, VA – vertebral artery

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