Today's Veterinary Practice

MAR-APR 2018

Today's Veterinary Practice provides comprehensive information to keep every small animal practitioner up to date on companion animal medicine and surgery as well as practice building and management.

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INSIGHTS CLINICAL 59 MARCH/APRIL 2018 ‚óŹ TVPJOURNAL.COM CLINICAL INSIGHTS LOCALIZATION AND SCANNING TECHNIQUE Dogs and cats are positioned in dorsal or lateral recumbency for scanning of the gastrointestinal tract. Longitudinal axis and transverse axis views of the different segments of the gastrointestinal tract are necessary for a complete examination. Maintain a consistent sequence when evaluating the complete gastrointestinal tract; preferably, in the following order: stomach, duodenum, jejunum (see "Ultrasonography of the Gastrointestinal Tract: Stomach, Duodenum, and Jejunum" [January/February 2018]), ileum, (cecum), ileocecocolic (cat) or ileocolic (dog) junction, cecum, and parts of the colon (ascending, transverse, descending). Ileum The normal canine and feline ileum is short and is typically located in the right cranial to mid-quadrant of the abdominal cavity, medial to the right kidney. The ileum can be found using the transverse colon or ileo(ceco)colic junction as a guide. The transverse colon, which is immediately caudal to the gastric body, is followed to the right of midline to the level of the ascending colon; continuing in an oral direction, bypass the ileo(ceco)colic junction to image the ileum. The ileum is more difficult to identify in dogs than cats due to interposition of the normal gas filled cecum. Ileocecocolic and Ileocolic Junctions The ileocecocolic junction (cats) or ileocolic junction (dogs) is usually located within the right cranial abdominal quadrant medial to the right kidney ( FIGURES 1 AND 2 ). Cecum The canine and feline cecum is a blind sac that is medial to the descending duodenum and can usually be found caudolateral to the ileo(ceco)colic junction. Due to the superimposition of gas filled intestinal segments, the cecum is not always identifiable. Ultrasonography of the Gastrointestinal Tract: Ileum, Cecum, Colon Elizabeth Huynh, DVM Clifford R. Berry, DVM, DACVR University of Florida IMAGING ESSENTIALS Welcome to our series of articles on small animal abdominal ultrasonography. The initial articles provided an overview of basic ultrasonography principles and a discussion about how to perform a systematic scan of the abdomen. The rest of the series discusses ultrasound evaluation of specific abdominal organs/systems. Read the other small animal abdominal ultrasonography articles published in Today's Veterinary Practice at .

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