Abstract
A cat with chronic diarrhea was diagnosed as having duodenal lymphosarcoma on two separate sets of endoscopic biopsies. Prednisolone failed to effect any clinical improvement. However, feeding the cat with a hypoallergenic diet resulted in long-term (i.e., six months) resolution of clinical signs. Most clinicians are familiar with the possibility of mistakenly diagnosing inflammatory bowel disease when the patient has lymphosarcoma; however, this case had the opposite problem: lymphosarcoma was diagnosed histologically on two separate occasions when inflammatory bowel disease was the problem.
MeSH terms
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Animals
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Biopsy / veterinary
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Cat Diseases / diagnosis*
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Cat Diseases / pathology
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Cats
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Chronic Disease
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Diagnosis, Differential
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Diarrhea / etiology
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Diarrhea / veterinary
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Duodenal Neoplasms / diagnosis
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Duodenal Neoplasms / pathology
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Duodenal Neoplasms / veterinary*
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Duodenum / pathology
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Food Hypersensitivity / diagnosis
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Food Hypersensitivity / etiology
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Food Hypersensitivity / veterinary*
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Inflammatory Bowel Diseases / complications
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Inflammatory Bowel Diseases / diagnosis
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Inflammatory Bowel Diseases / veterinary*
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Lymphoma, Non-Hodgkin / diagnosis
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Lymphoma, Non-Hodgkin / pathology
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Lymphoma, Non-Hodgkin / veterinary*
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Male