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Foreign body-associated intestinal pyogranuloma resulting in intestinal obstruction in four dogs
  1. L. G. Papazoglou, DVM, PhD, MRCVS1,
  2. D. Tontis, DVM, DrVetMed4,
  3. P. Loukopoulos, DVM, PhD2,
  4. M. N. Patsikas, DVM, PhD, DECVDI1,
  5. W. Hermanns, ProfDrMedVet, DrMedVetHabil, DECVP5,
  6. V. Kouti, DVM, PhD1,
  7. T. Timotheou, DVM1,
  8. I. Liapis, DVM6,
  9. N. Tziris, MD, PhD3 and
  10. T. S. Rallis, DVM, PhD1
  1. 1Department of Clinical Sciences
  2. 2Laboratory of Pathology, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, 11 St Voutyra Street, 54627 Thessaloniki, Greece
  3. 3Department of Surgery, Medical School, Aristotle University of Thessaloniki, University Campus, 54124 Thessaloniki, Greece
  4. 4Laboratory of Pathology, Faculty of Veterinary Medicine, University of Thessaly, Terma Tricalon Street, 43100 Karditsa, Greece
  5. 5Institute of Veterinary Pathology, University of Munich, Veterinarstrasse 13, D-80539 Munich, Germany
  6. 6Small Animal Clinic, 9 Rododaphnis Street, 15233 Athens, Greece
  1. E-mail for correspondence: makdvm{at}


Intestinal obstruction resulting from an intramural foreign body-associated pyogranuloma was diagnosed in four dogs. Vomiting and weight loss were the main clinical signs. On physical examination, a mass in the abdomen was detected in three dogs. Abdominal radiography demonstrated the presence of soft tissue opacity in three of the dogs and gas-filled dilated intestinal loops in all four dogs. Abdominal ultrasonography showed hyperkinetic fluid-filled dilated intestinal loops and a hypoechoic small intestinal mass in all the dogs. Exploratory coeliotomy confirmed the presence of a jejunal mass, which was removed by resection and anastomosis in all the dogs. In one of the dogs a linear foreign body was also found cranial to the mass and was removed through a separate enterotomy incision. The lesions were diagnosed as foreign body-associated intestinal pyogranulomas on histological examination. Three dogs recovered without complications, but the fourth showed signs of septic peritonitis four days after surgery and was euthanased at the owner’s request. The other three dogs remained disease-free 12 to 42 months after surgery.

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