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Surgery of the Bovine Large Intestine

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1 Surgery of the Bovine Large Intestine
Mireille Meylan, Dr med vet, FVH, MS, PhD, Dr habil  Veterinary Clinics: Food Animal Practice  Volume 24, Issue 3, Pages (November 2008) DOI: /j.cvfa Copyright © 2008 Elsevier Inc. Terms and Conditions

2 Fig. 1 The bovine large intestine. A, ileum; B, cecum; C, proximal loop of the ascending colon; D, spiral loop of the ascending colon; E, distal loop of the ascending colon; F, transverse colon; G, descending colon; H, rectum; a, ileocecal fold. The cecocolic fold between the cecum and the proximal loop of the ascending colon is not visible under the distal loop of the ascending colon. Veterinary Clinics: Food Animal Practice  , DOI: ( /j.cvfa ) Copyright © 2008 Elsevier Inc. Terms and Conditions

3 Fig. 2 The dilated cecum is exteriorized through a right flank incision for drainage of its contents. Veterinary Clinics: Food Animal Practice  , DOI: ( /j.cvfa ) Copyright © 2008 Elsevier Inc. Terms and Conditions

4 Fig. 3 A stab incision of the cecal apex allows for drainage of its contents. Contents from the cecal body and from the PLAC are massaged in the direction of the cecal apex. Veterinary Clinics: Food Animal Practice  , DOI: ( /j.cvfa ) Copyright © 2008 Elsevier Inc. Terms and Conditions

5 Fig. 4 The cecal apex has been rinsed and closed with a double Cushing suture using 2-0 polyglyconate. Veterinary Clinics: Food Animal Practice  , DOI: ( /j.cvfa ) Copyright © 2008 Elsevier Inc. Terms and Conditions

6 Fig. 5 Loops of the spiral colon embedded in a mass of necrotic fat, which had caused large intestinal obstruction in an Angus cow. Veterinary Clinics: Food Animal Practice  , DOI: ( /j.cvfa ) Copyright © 2008 Elsevier Inc. Terms and Conditions

7 Fig. 6 Type I atresia in the intestine of a 3-day-old Holstein calf. The lumen is completely obstructed by a membrane, the proximal part of the intestine is greatly dilated (left, white arrow). After the membrane has been cut open, the lumen of the distal part of the intestine is visible beyond the membrane (right, black arrow). Veterinary Clinics: Food Animal Practice  , DOI: ( /j.cvfa ) Copyright © 2008 Elsevier Inc. Terms and Conditions

8 Fig. 7 Atresia ani in a Red Holstein calf.
Veterinary Clinics: Food Animal Practice  , DOI: ( /j.cvfa ) Copyright © 2008 Elsevier Inc. Terms and Conditions

9 Fig. 8 Typical ultrasonographic findings in the right flank of a calf that has atresia coli, showing dilated small intestines and increased abdominal fluid ventrally (left), and dilated loops of large intestine with a cuboidal shape dorsally (right). (Courtesy of A. Steiner, Dr med vet, FVH, MS, Dr habil, Berne, Switzerland.) Veterinary Clinics: Food Animal Practice  , DOI: ( /j.cvfa ) Copyright © 2008 Elsevier Inc. Terms and Conditions

10 Fig. 9 Atresia coli in a 4-day-old Red Holstein calf with the dilated cecum (white arrow), the blind end of the dilated proximal part of the spiral colon (black arrow), and dilated small intestine loops (white arrowheads). (Courtesy of A. Steiner, Dr med vet, FVH, MS, Dr habil, Berne, Switzerland.) Veterinary Clinics: Food Animal Practice  , DOI: ( /j.cvfa ) Copyright © 2008 Elsevier Inc. Terms and Conditions


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