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Gastrointestinal, Pancreatic, and Hepatic Disorders

  • Title: Gastrointestinal, Pancreatic, and Hepatic Disorders
  • Description:
    Small Animal Clinical Diagnosis by Laboratory Methods (Fifth Edition) 2012, pp 191–225.  Authors:  Michael D. Willard, David C. Twedt

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  • Category: Internal Medicine

  • Abstract / Overview:
  • Some gastrointestinal (GI) problems (e.g., vomiting, diar- rhea, weight loss, anorexia, icterus, hepatomegaly, abnor- mal behavior associated with eating, abdominal pain) typically necessitate laboratory testing. On the other hand, dysphagia, regurgitation, ptyalism, halitosis, con- stipation, mucoid stools, hematochezia, and melena are usually best approached initially by other means (e.g., physical examination, radiology, ultrasonography, endos- copy, laparotomy, and/or biopsy).

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    FIGURE 9-3. A, A canine rectal scraping showing a macrophage with numerous engulfed yeasts. These are Histoplasma capsulatum. B, A canine rectal scraping that shows inflammatory cells and spherical organisms with a clear halo. The organisms are Prototheca.