Diagnostic Imaging: Pediatrics 4th Edition

Welcome to the fourth edition of Diagnostic Imaging: Pediatrics. While 
we have made the expected updates over the third edition of the text 
(including new images and videos, terminology, disease classifications, 
and even new chapters), the events of the last 2 years have led to what 
I hope to be a once-in-a-lifetime occurrence: the opportunity to includea disease that did not exist 5 years ago and of which virtually the entire 
global population is now aware. I highly doubt that anyone reading
this text has been unaffected by the COVID-19 pandemic, directly or
indirectly.
So, in that context, I only have a few relevant thoughts.
I hope that each of you is truly well. That you’ve found a consistentway to refresh your soul in this trying time—that you have light, joy,
purpose, and engagement—and somehow that wellness spills over into
the lives of others—your patients and their families, your colleagues,
your family and friends. We all need a little hope and encouragement
from each other.
Finally, I must thank all who have worked on this book, especially thosewho helped carry my burdens when the light was dim. I am greatly
indebted to you