Perimesencephalic subarachnoid hemorrhage: when to stop imaging
Emergency Radiology, 03/04/2011
Cruz JP et al. – To evaluate the yield of digital subtraction angiography (DSA) and repeated follow–up imaging in patients with initial pattern of perimesencephalic subarachnoid hemorrhage (PSAH) and negative computed tomography angiography (CTA) in excluding an underlying aneurysm.



