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KMID : 0931320120120030198
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대한상부위장관.헬리코박터학회지
2012 Volume.12 No. 3 p.198 ~ p.201
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A Case of Duodenal Leiomyoma Showing False Positive Fluorine-18-fluorodeoxyglucose Positron-Emission Tomography
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Kwon Dae-Soon
Kim Beom-Hee
Yoon Beom-Yong
Moon Hee-Seok
Sung Jae-Kyu
Jeong Hyun-Yong
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Abstract
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Duodenal leiomyomas are rare benign tumors of mesenchymal origin. Generally, Fluorodeoxyglucose (FDG)-PET would have a negative finding in leiomyomas. A 52-year-old man was referred to our hospital with melena. Gastroendoscopy revealed the presence of a huge submucosal tumor with ulceration at the duodenum bulb. Subsequent CT demonstrated a poorly enhanced oval mass adjoining the duodenal bulb. FDG-PET scan demonstrated an excessive accumulation of FDG in the lesion. A definitive diagnosis of duodenal leiomyoma was made on the basis of the pathologic finding of his surgical specimen. We report in this first case that duodenal leiomyma may show a potential pitfall of giving a positive FDG-PET result. Through this case, we would like to caution clinicians against PET-dependent evaluations of malignant potential of duodenal submucosal tumors.
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KEYWORD
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Duodenum, Leiomyoma, Positron emission tomography, False positive reactions
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