Oblique lateral s...
Oblique lateral shows contralateral PICA origin to be normal, and no filling of the ipsilateral PICA beyond the coil mass.
Modality: DSA (angiography)

- “ PICA dissection without involvement of the vertebral artery is rare but reported, and usually requires management with sacrifice of the vessel.  E...”

View full size version of Posterior inferior cerebellar artery (PICA) dissecting aneurysm and subarachnoid haemorrhage

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