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case_images: Endoscopic view of the rectal polyp.
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case_images: Colonoscopy was performed under general anaesthesia, which was normal except for an 8 mm sessile rectal polyp, 6 cm from the anal verge, seen in Figure 1.
case_images: Elevation of the polyp with EMR solution.
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case_images: The polyp was elevated with endoscopic mucosal resection (EMR) solution and polypectomy was performed, as seen in Figures 2 and 3.
case_images: After endoscopic mucosal resection of the polyp.
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case_images: The polyp was elevated with endoscopic mucosal resection (EMR) solution and polypectomy was performed, as seen in Figures 2 and 3.
case_images: Polyp with dilated glands, marked inflammation, ulceration and granulation tissue
  (100x).
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case_images: On low power (100x), sections from the resected polyps showed the typical picture of an inflammatory polyp, with dilated glands in a markedly inflamed stroma, extensive surface ulceration and granulation tissue (Figure 4).
case_images: Polyp with histiocytic infiltrate and mixed inflammation (200x).
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case_images: The high power view (200x), however, showed areas with histiocytic infiltrate and mixed inflammation composed predominantly of eosinophils, plasma cells and some neutrophils (Figure 5).
case_images: Histiocytic infiltrate with cells giving coffee bean-like appearance. Low mitotic
  activity (400x).
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case_images: On further examination (400x), the histiocytic infiltrate showed cells having bland nuclei with grooved membranes imparting a coffee bean-like appearance, with low mitotic activity (Figure 6).
case_images: CD-Ia immunostain. Histiocytes show positive cytoplastic and membrane staining.
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case_images: S-100 immunohistochemical was also positive (Figure 7).