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KMID : 1148920170510030266
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Nuclear Medicine and Molecular Imaging
2017 Volume.51 No. 3 p.266 ~ p.270
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Incidentally Detected Small Intestine Intussusception Caused by Primary Small Intestine Carcinoma on 18F-FDG PET/CT
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Lee Hyun-Jong
Oh So-Won
Kim Yu-Kyeong
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Abstract
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Small intestine intussusception in adults is a rare condition mainly caused by primary or metastatic small intestine malignancy. Here, we present a 72-year-old male patient who was diagnosed with small intestine cancer that was presented as small intestine intussusception on hybrid 18F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT). The patient was initially referred for an abnormality on a chest radiography and severe anemia. FDG PET/CT showed the lung lesion in the right upper lobe of lung as a high FDG uptake mass. Accidentally, FDG PET demonstrated another intense hypermetabolic intraluminal lesion in the small intestine accompanied with intussusception shown as a circumferential hypermetabolic wall. By pathologic examination, the patient was diagnosed as primary small intestine cancer with lung metastasis. This case highlights usefulness of hybrid FDG PET/CT to identify unexpected malignancy.
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KEYWORD
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FDG PET/CT, Intussusception, Small intestine cancer, Undifferentiated carcinoma
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