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Chapter-02 Role of Contrast

BOOK TITLE: Textbook of Radiology for CT and MRI Technicians with MCQs

Author
1. Khanduri Sachin
ISBN
9789352701766
DOI
10.5005/jp/books/14192_3
Edition
1/e
Publishing Year
2018
Pages
6
Author Affiliations
1. Era’s Lucknow Medical College, Lucknow, Uttar Pradesh, India
Chapter keywords
Contrast, body cavity, contrast media, computed tomography, magnetic resonance imaging, blood vessel, tissue

Abstract

Contrast medium is a substance, which is used to image organs and fluids within the body cavity after introduction of contrast into the body cavity or vessels to help visualize the structures or pathology. Types of contrast media, properties of ideal contrast media, side effects and reactions, prevention of reactions, treatment of contrast-mediated adverse reaction, contrast agents in computed tomography (sometimes also called dyes), and magnetic resonance imaging contrast agents are also discussed in this chapter. Computed tomography contrast agents are used to enhance specific lesions in an organ, tissues or in blood vessels. In this chapter, multiple choice questions are provided along with their answers.

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