Computed tomographic diagnosis of necroulcerative reticulorumenitis with portal venous gas in a lamb |
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Authors: | Alexandra G Collins-Webb Robert Bildfell Lauren Newsom |
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Institution: | Department of Clinical Sciences (Collins-Webb, Newsom), Department of Biomedical Sciences (Bildfell), Oregon State University, 700 SW 30th Street, Corvallis, Oregon 97331, USA |
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Abstract: | A 2-month-old, intact male Merino sheep was presented for acute inappetence and pyrexia. Contrast-enhanced abdominal computed tomography identified reticulorumenal intramural gas with suspected ruminal ulceration, arborizing portal venous gas, and mild peritoneal fluid. The lamb was treated medically for presumptive ulcerative reticulorumenitis and non-septic peritonitis. Over 10 days, the lamb initially showed mild improvement before clinical deterioration and was ultimately euthanized. Definitive diagnosis of necrotizing, ulcerative reticulorumenitis was made via necropsy with histopathology. An underlying cause was not determined.Key clinical message:Contrast-enhanced computed tomography was effective in identifying gastric emphysema and portal venous gas associated with reticuloruminal ulceration. |
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