科研之友
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摘要
We describe an atypical case of duodenal leishmaniasis in a boxer dog presenting with chronic diarrhea and poor general condition. Antidiarrheic therapy was previously administered without success and inflammatory bowel disease localized to the small intestine was suspected, given the chronic clinical signs and by ruling out other known causes of gastrointestinal inflammation. Endoscopic biopsy of duodenum showed a moderate increase in lamina propria lymphocytes, plasma cells, and macrophages. Basophilic bodies were seen in the cytoplasm of numerous macrophages, suggestive of Leishmania spp, confirmed by immunostaining, and a diagnosis of granulomatous duodenitis associated to Leishmania infection was made. After 7 mo of therapy, a significant clinical improvement and weight gain were observed, and endoscopic histology showed no evidence of Leishmania. A progressive decline of anti-leishmanial antibody titer was also observed during follow-up. This report emphasizes the importance of atypical symptoms and the unusual location of visceral leishmaniasis, suggesting the need to consider leishmaniasis in the differential diagnosis of canine chronic enteritis, especially in endemic areas.
- 出版日期2017-4
