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case_images: Coronal views of the abdominal computed tomography image demonstrating diffuse wall thickening and mucosal enhancement throughout the entire small intestine, consistent with panenteritis.
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case_images: Abdominal computed tomography (CT) revealed diffuse wall thickening and mucosal enhancement throughout the small intestine, consistent with panenteritis (Figure 1).
case_images: Enteroscopic images of the small intestine. The upper two images depict the jejunum, revealing diffuse hyperemic, edematous, and friable erosive mucosa with easy contact bleeding. The lower two images depict the ileum, revealing diffuse hyperemia and a significant amount of exudate. These findings are consistent with severe inflammatory changes throughout the small intestine.
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case_images: Further investigation with enteroscopy revealed diffuse, hyperemic, and ulcerative mucosa in the jejunum and ileum (Figure 2).
case_images: The upper image at x20 magnification presents hematoxylin and eosin staining of the mucosa, revealing ulcerative changes and infiltration of numerous inflammatory cells. The yellow arrows indicate owl's eye inclusions, which are cytopathic changes characteristic of CMV infection. The lower image at x10 magnification presents the results of immunohistochemistry for CMV, highlighting CMV-infected cells as dark brown as dark brown stained cells. CMV, cytomegalovirus.
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case_images: CMV infection. CMV immunohistochemistry further confirmed the diagnosis by highlighting CMV-infected cells, which appeared as dark brown-stained cells, consistent with CMV-associated enteritis in both the jejunum and ileum (Figure 3).
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