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Hemorrhoids: A Possible Cause of High FDG Uptake in the Rectum

痔瘡:一個在直腸呈現高氟-18-FDG攝取的病例

摘要


一位52歲的男性接受葡萄糖正子斷層掃描作為健康檢查的其中一個項目。在靜脈注射氟-18-FDG藥物之後一小時造影,顯示在直腸有一區域呈現高葡萄糖攝取的情形;在灌腸後,三小時的延遲態造影中,此一區域沒有明顯變化。由乙狀結腸鏡診斷此病灶為內痔。在六個月後的追蹤,此病人情況良好。就我們所知,在正子掃描中,痔瘡呈現高氟-18-FDG攝取的病例還未有人報告過。

關鍵字

氟-18-FDG 直腸 痔瘡

並列摘要


A 52-year-old man underwent 18F-FDG positron emission tomography (FDG PET) scan as part of a physical check-up. FDG PET scan revealed a focal high uptake in the rectum at 1 hr after injection of FDG. Delayed 3-h imaging was performed after enema and it showed no change in the lesion. The diagnosis of this lesion was internal hemorrhoids based on sigmoidoscopy. After a 6-month-follow-up, the patient was doing well. To our knowledge, the high level of FDG uptake in a hemorrhoid has not yet been reported.

並列關鍵字

hemorrhoid FDG-PET false positive rectum

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