Diagnostic Imaging: Brain

Welcome to the 4th edition of our popular Diagnostic Imaging: Brain! The 3rd edition was
欢迎来到我们广受欢迎的诊断成像第 4 版：大脑！第 3 版是
published in late 2015, and my goodness, has a lot changed since then! One thing that
2015 年底发布，我的天哪，从那时起发生了很多变化！一件事
has remained constant is our dedication to bringing you the latest and greatest “stuff” in
始终如一的是我们致力于为您带来最新、最棒的 “东西”
neuroimaging. We’ve added a bunch of new diagnoses and eliminated others that have
神经影像学检查。我们添加了一系列新的诊断，并删除了其他具有
become outdated or superseded by new concepts that have supplanted old ones. We’ve
过时或被取代旧概念的新概念所取代。我们已经
updated references, made some new signature graphics, expanded the digital image
更新了参考资料，制作了一些新的签名图形，扩展了数字图像
galleries, and put in new illustrations of familiar entities.
画廊，并添加熟悉实体的新插图。
So, what’s new in the last 5 years that we feature in this edition? We’ve added new vascular
那么，我们在过去 5 年中在本期中介绍了哪些新内容呢？我们添加了新的血管
disorders, such as critical illness-associated microbleeds, [recently recognized as a cause
疾病，例如危重病相关的微出血，[最近被认为是一个原因
of altered mental status in patients with acute respiratory distress syndrome (ARDS) who 
are on ECMO or ventilator assistance], inflammatory cerebral amyloid angiopathy, and 
cerebral proliferative angiopathy (a mimic of diffuse arteriovenous malformation). We’ve 
also included new toxic-metabolic entities, such as gadolinium deposition in the brain and 
new infectious diseases (e.g., Zika virus) in this edition. 
We’ve also included some interesting new tumors and tumor mimics, such as calcifying 
pseudoneoplasm of the neuraxis (CAPNON), IgG4-related disease, and inflammatory 
myofibroblastic tumor. 
There’s so much more that’s changed since the 3rd edition. Hopefully, we’ve given you 
just a little taste of the diagnostic dilemmas and delights that await you in this newest 
edition of Diagnostic Imaging: Brain. We hope you enjoy reading it as much as we liked 
writing it!