An infarct causing bilateral infarction of the occipital lobes is likely to be secondary to occlusion in the territory of the:
- The Posterior Cerebral Artery
- The Basilar Artery
- The superior cerebellar artery
- The anterior inferior cerebellar artery
The Correct option is A
Explanation with High Yield Facts:
Atherothrombosis of the PCA is relatively uncommon, but when it occurs is generally in the proximal segment of the vessel. Sometimes thrombus may spread by contiguous ascent from the basilar apex. PCA infarction rarely involves the entire arterial territory; and the variability of the resulting clinical deficits of primary sensory, visual and behavioural function depend upon the degree of damage to the thalamus, occipital and inferomedial temporal lobes respectively. Blockage of vessels derived from the proximal PCA can cause infarction in sensory and motor nuclei of the thalamus and nearby subthalamic structures.
0 comments:
Post a Comment