一位腮腺癌伴隨頸部淋巴轉移的男性病患，經由手術與放射線治療後，腫瘤消失。為了追蹤腫瘤治療後的情況，病人進一步接受氟-18-去氧葡萄糖正子攝影，發現在右側頸部淋巴的位置有高度代謝性的病灶，並且認為是復發的惡性病灶。然而，同時間斷層掃描檢查並沒有在相同位置發現任何病灶。最後病理檢查確定是右側頸部淋巴的復發性惡性鱗狀上皮細胞瘡。本病例顯示了氟-18-去氧葡萄糖正子攝影在早期評估治療後的復發性淋巴轉移上的高度價值。

We reported a 72-year-old male patient of malignant parotid squamous cell carcinoma (SCC) with right cervical lymph node metastases. The tumor and metastatic lymph nodes were not found after parotidectomy and radiotherapy (RT). For survey of recurrent cancer， 18F_ fluorodeoxyglucose positron emission tomography (FOG PET) was performed twice and showed one hypermetabolic lesion in the right middle cervical region， which was not detected by computed tomography (CT)， and the other two in the left posterior auricle and deep lower cervical regions. The final pathology confirmed recurrent metastatic SCC of the right cervical lymph nodes. In this case， the value of FOG-PET for earlier detection of recurrent lymph node metastases after RT was demonstrated