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- Title
Comparison of 3 Handling Techniques for Endoscopically Obtained Gastric and Duodenal Biopsy Specimens: A Prospective Study in Dogs and Cats.
- Authors
Ruiz, G.C.; Reyes‐Gomez, E.; Hall, E.J.; Freiche, V.
- Abstract
Background Limited evidence exists in the literature regarding whether a specific mount is preferable to use for processing endoscopically obtained gastrointestinal biopsy specimens. Hypothesis/Objectives To compare 3 methods of handling endoscopically obtained gastrointestinal biopsy specimens from collection to laboratory processing and to determine if any technique produced superior results. Animals Twenty-three dogs and cats presented for gastrointestinal signs. Methods Prospective study of dogs and cats presented with gastrointestinal signs to a veterinary teaching referral hospital which underwent upper gastrointestinal endoscopy. Biopsy specimens were taken from the stomach and duodenum and submitted to the laboratory using 3 techniques: mounted on a cucumber slice, mounted on a moisturized synthetic foam sponge, and floating free in formalin. The techniques were compared with regard to the specimens' width, orientation, presence of artifacts, and pathologist's confidence in diagnosis. Results Twenty-three patients were included, with a total of 528 biopsies collected. Specimens on cucumber slice and on sponge were significantly wider ( P < .001 and P = .001, respectively) compared to those floating free in formalin (mean width of 3.81 versus 3.31 and 2.52 mm, respectively). However, specimens on synthetic sponge had significantly fewer artifacts compared to those on cucumber slice ( P = .05) and those floating free in formalin ( P = .02). Confidence in the diagnosis also was superior with the sponge technique over floating free specimens ( P = .002). Conclusions and Clinical Importance The use of mounted gastrointestinal biopsy specimens was superior over the use of specimens floating free in formalin. This technique improved the quality of the specimens and the pathologist's confidence in their histopathologic interpretation.
- Subjects
CAT diseases; DIAGNOSIS of dog diseases; GASTROINTESTINAL disease diagnosis; STOMACH biopsy; DUODENUM examination; VETERINARY endoscopy; VETERINARY diagnosis
- Publication
Journal of Veterinary Internal Medicine, 2016, Vol 30, Issue 4, p1014
- ISSN
0891-6640
- Publication type
Article
- DOI
10.1111/jvim.14403