Read the imaging correctly folks.... aneurysms are the ones missed most... http://www.ajnr.org/content/32/11/2132.abstract Interpretation Errors in CT Angiography of the Head and Neck and the Benefit of Double Reading K. Lian,A. Bharatha,R.I. Aviv and  S.P. Symons  Sean P. Symons, MPH, MD, FRCPC, Division...