Te idea of publishing a book came into my mind to the description of the imaging fndings of parasitic di- s (M. C. H. ) when a few years ago I submitted a manuscript eases only. Parasitic diseases are not confned only to the entitled “Imaging of Parasitic Diseases of the Hepato - tropical and subtropical areas; indeed, they are increasing biliary System” for publication in the major prestigious worldwide because of travel, immunosuppression, and radiology journals. Te manuscript was rejected, but an other behavioral and living defciencies, especially poor anonymous reviewer commented that the manuscript hygiene and sanitation. Some of these diseases are prev- would be more suitable for publication as a chapter in a lent or clustered in poor or developing countries, but the book. I took up the challenge and began the search for majority are encountered worldwide, even in industri- co-editors and authors to write other chapters. At this ized and developed countries. point, I would like to thank the reviewer for giving me In the radiologic bibliography, there is a shortage of the idea and throwing down the challenge. books on the subject of “Imaging of Infection. ” Tis book Te aim of this book is to introduce the concept of is intended to partly rectify this shortfall and is aimed at “Imaging of Infection,” which includes bacterial, viral, radiologists all over the world. fungal, and parasitic infections.