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Approach to abdominal imaging
- Authors: Frances Barr and Robert O’Brien
- From: BSAVA Manual of Canine and Feline Abdominal Imaging
- Item: Chapter 1, pp 1 - 4
- DOI: 10.22233/9781905319718.1
- Copyright: © 2009 British Small Animal Veterinary Association
- Publication Date: March 2009
Abstract
Radiographs should always be examined under optimal viewing conditions; dim surroundings are preferable. Conventional radiographs should be displayed on an X-ray viewer, which provides even illumination over the whole field of view. A small film should be surrounded by black card or the illuminated area restricted by shutters. A ‘hot light’ can be useful for examination of small, relatively overexposed areas. Digital radiographs should be displayed on a high-resolution screen. Each radiograph should be examined systematically. Some advocate a zonal system, where each section of the radiograph is examined in turn, before considering the radiographic findings in light of the presenting clinical signs. Others prefer an integrated approach, where knowledge of the presenting signs informs and directs the order in which tissues and organs are inspected. Whichever approach is preferred, it is vital to ensure that all organs and the entire abdominal cavity, including its boundaries, are evaluated. Orthoganal views (lateral and ventrodorsal) are usually required in order to derive the maximum amount of information from an image. This chapter looks at the Overview of image interpretation; The ‘surgical’ abdomen; Contrast radiography; and Overview of additional imaging modalities.
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