CT and MRI Protocol: A Practical Approach

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Continual hardware and software innovations in Computed Tomography and Magnetic Resonance Imaging are leading to early and better diagnosis and thus better patient care. We as diagnostic radiologist must understand to assimilate the new technological revolution and apply them judiciously for the betterment of the patient health. Thus it becomes important to use some specific tailored protocols in a particular clinical situation to attain maximum diagnostic benefit with minimum possible radiation dose and intravenous contrast in CT and optimal time and cost in MRI without compromising on scan quality and diagnostic information. It is necessary to understand the specific questions to be answered by the diagnostician, which will help to select an appropriate protocol. This book strives to present practical protocols for day-to-day practice. The various organ systems have been covered and further segregated in to various anatomical regions and clinical situations. Only the operator dependent parameters have been mentioned in the protocol to avoid confusion and burdening the operator with unnecessary technicalities as the modern scanners have preset parameters for a chosen examination (that are optimal in the majority of the cases). Certain general considerations have also been reviewed for the CT and MR examinations. Practical implications of technical parameter have also been explained in the text as and where necessary. Few illustrations have been included to give a permanent impact to emphasize a specific point. We hope that this book will prove to be a useful guide for all the radiologists, residents and technologists in selecting the appropriate protocol for each examination in order to obtain unmatched diagnostic information from each study.