PMC6346899_01
Abdominal CT showing enlarged bowel.
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Violet-coloured hyperaemic areas seen on rectosigmoidoscopy
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PMC6346899_01_501_Fig2.jpg
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Violet-coloured hyperaemic areas seen on rectosigmoidoscopy
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Spirochetes seen in hematoxylin eosin stain (red arrows)
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Spirochetes seen in Warthin-Starry stain (red arrow)
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