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KMID : 0359020090390040230
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Korean Journal of Gastrointestinal Endoscopy
2009 Volume.39 No. 4 p.230 ~ p.235
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Calcifying Fibrous Pseudotumor of the Stomach That Was Diagnosed by Endoscopic Submucosal Dissection
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Eun Dong-Yeub
Sohn Kyung-Rak
Lee Jung-Soo
Kwon Jong-Kyu
Lee Dong-Wook
Park Yong-Dae
Shin Seung-Min
Park Sang-Man
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Abstract
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Calcifying fibrous pseudotumor (CFPT) is very rare and especially at an intrinsic visceral location such as the stomach. The CFPT is generally located in the subcutaneous or deep soft tissue and the subserosal area of organs and it is mainly diagnosed during childhood or young adulthood. The etiology and pathophysiology of CFPT are unclear. Herein we describe a case of gastric CFPT and we review the related literature. A thirty-year-old asymptomatic female patient visited our hospital for the evaluation of a submucosal tumor that was seen on previous endoscopy. On the endoscopic ultrasonography (EUS), a subepithelial lesion was found at the gastric angle and it was a slightly hypoechoic, homogenous mass located at the submucosal layer of the gastric wall. Endoscopic submucosal dissection was performed under the suspicion of carcinoid. On the microscopic findings, most of the tissue was composed of hyalinized collagenous tissue. Mild lymphocytic infiltration and several dystrophic calcifications were also seen. Immunohistochemically, bcl-2 and CD34 staining was negative, so we diagnosed the mass as CFPT.
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KEYWORD
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Calcifying fibrous pseudotumor, Stomach, Endoscopic submucosal dissection (ESD)
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