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KMID : 0816120090120010057
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Korean Journal of Pediatric Gastroenterolology and Nutrition
2009 Volume.12 No. 1 p.57 ~ p.63
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Calcifying Fibrous Tumor Mimicking a Foreign Body of the Stomach: A Case Report
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Jeong Ji-Eun
Lee Gyeong-Hun
Cho Chang-Ho
Sung Hyun-Jung
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Abstract
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Calcifying fibrous tumors (CFTs) are unusual benign tumors of childhood, located primarily in soft tissues, pleura, and peritoneum. The cause and pathogenesis are unclear. We report a rare case of a CFT in a 2-year-old boy who presented with vomiting and abdominal distension. An abdominal X-ray showed an elliptical, calcific shadow in the LUQ area mimicking a foreign body. An internally protruding mass along the lesser curvature of the gastric body was an incidental finding during upper endoscopy, biopsies of which were negative. Abdominal CT showed a 4.5×3.2 cm soft tissue mass of the gastric wall with calcifications. A diagnosis of gastric submucosal mass was suspected and a wedge resection of the stomach was performed. On microscopic examination, the tumor was composed of whorls of dense hyalinized collagen bundles with a few fibroblasts. There were also amorphous dystrophic calcifications and nodular aggregates of mononuclear inflammatory cells. Immunohistochemically, spindle cells did not stain for anaplastic lymphoma kinase-1 (ALK-1), CK, smooth muscle actin (SMA), or desmin. Taken together, the mass was compatible with a CFT of the gastric wall. This is the first reported case of CFT in a Korean child.
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KEYWORD
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Calcifying fibrous tumor, Gastric wall, Calcifications, Child
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