This book has been specifically designed to serve as a quick reference that will be of immediate help in decision making. The book is ordered alphabetically according to diagnoses. The intention is that the clinican consults the information on a suspected diagnosis, and then considers the surgical and radiological differential diagnoses that are listed. A total of 80 common diagnoses are covered. For each diagnosis, the left-hand page presents information relevant to the surgeon, while the right-hand page is designed for the radiologist. The information for the surgeon comprises clinical insights, including symptoms, warnings, controversies, important facts of which the surgeon should be aware, and the surgical differential diagnosis. The intention is to enable the surgeon to request the most suitable investigation using the appropriate terminology, ensuring that the correct test is done within the correct time frame. The radiologist is provided with lists of the primary and follow-on investigations, the imaging findings, and helpful tips, as well as the radiological differential diagnosis. Informative supporting images are included for each diagnosis. The authors are all experts in their fields, with extensive practical experience and in-depth knowledge of new imaging techniques. This book belongs in the pocket of every student, house officer, resident, medical officer, or generalist consultant who may be the first practitioner to see the patient.