I read with great interest the editor’s choice in the Jan issue of AJNR “Blood-Brain Barrier Permeability Assessed by Perfusion CT Predicts Symptomatic Hemorrhagic Transformation and Malignant Edema in Acute Ischemic Stroke” by Hom, Dankbaar, Soares, and colleagues. The article presented promising data for the
51-year-old male with no significant past medical history presented with 3+ months H/O intermittent dizziness, intermittent headaches, difficulty going down stairs and 3+ days H/O tingling and numbness on the right side of face, right hand and foot. MRI revealed
1. Marawar S, Girardi FP et al. National Trends in Anterior Cervical Fusion Procedures. Spine 2010;35:1454–1459. An 8-fold increase in prevalence and a similar increase in utilization of ACDF in the study population over a 15-year period (771, 932 discharges
posted by Michael H. Lev and Max Wintermark Every year in the United States, more than three quarters of a million people have a stroke, and approximately every 3 minutes someone dies from a stroke. A significant portion of stroke
Spontaneous intracranial hypotension (SIH) is now a fairly well known syndrome. Leakage of CSF is considered the pathogenetic factor, even in cases in which it is not demonstrated. The loss of CSF volume explains the usual complaint of orthostatic headache,
1. Samartzis D et al. Atlantoaxial Rotatory Fixation in the Setting of Associated Congenital Malformations. Spine 2010;35:E119–E127. New subtypes to the Fielding and Hawkins classification scheme for atlantoaxial rotatory fixation should exist to account for variations in anatomy and the
An 11-year-old boy was involved in a car accident and presented in a semicomatous state. Clinically he was diagnosed as having sustained a diffuse axonal injury and was treated conservatively. A brain MRI was performed one month following injury and
“Brain Tumor Imaging, Volume 1: Pretherapy” is the latest Special Collection from the American Journal of Neuroradiology. Distilling the best of the many articles related to brain tumor imaging that appear in the pages of AJNR posed a daunting task,
1. I have read that it is OK to do the CT Perfusion study either before or after the CTA (AJNR Am J Neuroradiol 2008 29: e23-e30). I have always done the CTA first, but I would like to know
73 year old lady presented with six weeks history of odd behavior, increasing apathy, expressive aphasia, and mild headache. An MRI including diffusion and perfusion imaging was obtained. MRI revealed a T1 hypointense (to cortex) and slightly T2 hyperintense (to
