Peer-reviewed veterinary case report
Dog with intestinal tumor causing diarrhea and bleeding
By Jackson, M W et al.·Published in Journal of the American Veterinary Medical Association·1994·Department of Medical Sciences·View original on PubMed →
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Original publication title: Primary IgG secreting plasma cell tumor in the gastrointestinal tract of a dog.
- Species:
- dog
Plain-English summary
A mixed-breed dog was brought to the vet due to ongoing diarrhea and intestinal bleeding. After examining the dog, the vet found a large mass in the intestine and performed surgery to remove it. Although the initial recovery went well, the dog later showed signs of serious health issues related to high protein levels in the blood. Unfortunately, the owners chose to euthanize the dog, and further examination revealed that the tumor was a type of cancer called an IgG-secreting extramedullary plasmacytoma, which had spread to the liver and lymph nodes.
People also search for: dog diarrhea and bleeding · dog intestinal mass surgery · dog cancer symptoms · hyperproteinemia in dogs · dog euthanasia decision
Abstract
A mixed-breed dog, evaluated because of a chronic history of diarrhea and intestinal bleeding, was found to have a multilobular mass involving the intestine. Surgical resection of the mass necessitated an ileocolic anastomosis. On the basis of histologic and electron microscopic appearance and staining characteristics, a tentative diagnosis of intestinal carcinoid was made. Recovery was uncomplicated; the owners declined further diagnostic tests or treatment. Eight weeks later, the dog was reexamined because of signs consistent with hyperviscosity syndrome and hyperproteinemia. At the owner's request, the dog was euthanatized. At necropsy, extensive metastases to liver and lymph nodes, but not to bone, were seen. Reevaluation of the intestinal mass supported classifying the tumor as an IgG-secreting extramedullary plasmacytoma. This case underscores the need for additional histologic techniques, especially when confronted with an unusual manifestation of hyperproteinemia.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/8150697/