%0 Journal Article %T Non-aneurysmal subarachnoid hemorrhage: When is a second angiography indicated? %A Asma Bashir %A Leif S£¿rensen %A Niels Sunde %A Ronni Mikkelsen %J Archive of "The Neuroradiology Journal". %D 2018 %R 10.1177/1971400917743100 %X Repeat imaging in patients with non-aneurysmal subarachnoid hemorrhage (NASAH) remains controversial. We aim to report our experience with NASAH with different hemorrhage patterns, and to investigate the need for further diagnostic workup to determine the underlying cause of hemorrhage %K Non-aneurysmal subarachnoid hemorrhage %K perimesencephalic subarachnoid hemorrhage %K cerebral angiography %K digital subtraction angiography %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5958500/