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KMID : 1038120230560010119
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Clinical Endoscopy
2023 Volume.56 No. 1 p.119 ~ p.124
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A large and pedunculated inflammatory pseudotumor with pseudosarcomatous change of the cecum mimicking a malignant polyp: a case report and literature review
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Oh Jong-Suk
Kim Hyung-Wook
Park Su-Bum
Kang Dae-Hwan
Choi Cheol-Woong
Kim Su-Jin
Nam Hyeong-Seok
Ryu Dae-Gon
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Abstract
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Inflammatory pseudotumor (IPT) is a rare benign tumor of unknown etiology that can occur in almost any organ system. It has neoplastic features such as local recurrence, invasive growth, and vascular invasion, leading to the possibility of malignant sarcomatous changes. The clinical presentations of colonic IPT may include abdominal pain, anemia, a palpable mass, and intestinal obstruction. A few cases of colonic IPT have been reported, but colonic IPT with pedunculated morphology is very rare. Furthermore, since it can mimic malignant polyps, understanding the endoscopic findings of colonic IPT is important for proper treatment. Herein, we present a case of colonic IPT with pseudosarcomatous changes, presenting as a large polyp, mimicking a malignant polyp in the cecum, along with a literature review.
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KEYWORD
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Cecum, Inflammatory pseudotumor, Pedunculated polyp
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