PMC4200880_01
Tumor appearance of abdominal computed tomography. An oval and sharply circumscribed low-density mass, with slight peripheral enhancement and a blood vessel through the mass (arrow).
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Abdominal computed tomography (CT) demonstrated a low-density mass, with slight peripheral enhancement (Fig. 1, arrow).
Postoperative specimen. The tumor was completely resected without any complications. The 11 x 6.5 cm sized polyp with a depressed ulcer at the base of the tumor (arrow).
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Because of the giant dimension and the possibility of other malignant lesions, so we carried out LAPG and identified a depressed ulcer lesion at the base of the tumor (Fig. 2, arrow).
Microscopic features. (A) Surface coating of keratinized squamous epithelium, a large number of thin-walled capillary vessels and loose fibrous connective tissue (H&E, original magnification x40). (B) Infiltration of lymphocytes in the stroma, mainly including plasma cells and eosinophils (H&E, original magnification x200).
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Postoperative histopathologic evaluation revealed proliferation of a large number of spindle cells and infiltration of many lymphocytes, mainly including plasma cells and eosinophils, as well as extensive thick-walled capillary vessels, compatible with an inflammatory fibroid polyp (Fig. 3).