Book excerpt: Designed to facilitate easier understanding of a complex subject, Essentials of Osborn's Brain: A Fundamental Guide for Residents and Fellows is a highly practical guide to neuroradiology by world-renowned expert Dr. Anne G. Osborn. This concise text is derived from Osborn's Brain, second edition, and contains the essential must-know information critical for residents and fellows in radiology, neuroradiology, and neurosurgery—all in a format that's ideal for study and daily reference. - Takes readers through the neuroimaging rotations of a radiology, neurosurgery, or neurology residency or fellowship via a "curriculum" of selected readings for each rotation - Includes a brief section for each of 4 resident years, which lists directed readings in the book as well as optional correlated content in STATdx and RADPrimer for each rotation - Combines gross pathology and imaging to clearly depict why diseases appear the way they do - Features more than 2,000 high-definition, state-of-the-art images with each one referenced to its corresponding descriptive location in the text - Features Dr. Osborn's trademark summary boxes throughout, allowing for quick review of essential facts - Includes updated information on brain tumor genetics, new tumors, and interim updates to the 2016 World Health Organization classification of CNS neoplasms - Presents new insights on autoimmune encephalitis, noninfectious CNS inflammation, and brain microbleeds, including critical-illness-associated microbleeds