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About Us

William Herring, MD, was, until recently, the Vice-Chair of the Department of Radiology for 20 years and the Radiology Residency Program Director at Einstein Medical Center in Philadelphia, Pennsylvania for even longer. LearningRadiology is the website he developed and began posting to in 2002 and it has been in continuous operation since that time. Since its inception, the entire site has been maintained and managed and its content produced in its entirety by Dr. Herring.


Dr. Herring has served as President of the Philadelphia Roentgen Ray Society and President of the Alliance for Medical Student Educators in Radiology (AMSER). He has received the Outstanding Educator Award of the Philadelphia Roentgen Ray Society, the Outstanding Achievement Award of the Association of Program Directors in Radiology (APDR) and the Excellence in Education Award of the Alliance for Medical Student Educators in Radiology. He was also the honoree of the Pennsylvania Radiological Society in 2017. He is a Fellow of the American College of Radiology (ACR).




The site was originally intended to replace the paper handout notes that accompanied lectures for the residents and medical students at Einstein Medical Center. It now contains over 5,000 pages of content, and has grown in popularity so that currently almost ten thousand unique visitors access the site every single day. Visitors access over 23 million pages of content every year.


The website has been, and continues to be, free to use. It requires no registration, no sign-in and no fee.


Learning Radiology: Recognizing the Basics


In 2007, a greatly expanded and image-rich fundamental textbook of radiology written by Dr. Herring was published by Elsevier/Mosby. The best-selling text was published in a 5th Edition in early 2023 in both print and electronic formats. The text, called Learning Radiology: Recognizing the Basics uses the same fundamental approach to teaching as does this site, but contains key information on other modalities, additional material not covered on the website and access to additional tutorials based on the book.


LearningRadiology Video Podcasts on iTunes


In the summer of 2008, LearningRadiology.com™ began to publish video podcasts made available from the iTunes Store. Thousands of LearningRadiology.com™ Video Podcasts have been downloaded. Video podcasts are kept short, contain material not found in the textbook and are designed specifically for the small screen. They are also avaiable on YouTube.


LearningRadiology on FaceBook and Instagram


LearningRadiology.com™ has over 800,000 followers on social media. It posts unknown cases on a daily basis to both Facebook where it is followed by almost 750,000, and on Instagram at #learningradiology. The Case of the Week, now in its 1,000+ consecutive-week rendition, is also posted to these solcial media sites.


There are thousands of links to material on this site from Google alone including hundreds of university programs in radiology, emergency medicine, internal medicine, physician assistants, emergency medical technicians and radiologic technologist programs.

LearningRadiology.comis designed for use by healthcare professionals and students seeking medical information. The information contained herein should NOT be used as a substitute for the advice of an appropriately qualified and licensed physician or other health care provider. The information provided herein is for educational and informational purposes only and in no way should be considered as an offering of medical advice. Please check with a qualified physician if you suspect you are ill. Never disregard professional medical advice or delay seeking it.


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