正子造影結果分析與評估-核子醫學科

正子造影？

本人健檢直腸內視鏡切除 1cm息肉後，轉腫瘤科安排正子造影報告如下：NCCN gu idelines) 3.S-Colon cancer pT1 in 2023/10; LDCT: RUL GGN 4mm PROCEDURE for FDG Before whole body survey, the patient was required to fast for at least 4 hours. Blood sugar level was measured 88 mg/dl. Then, 9.78 mCi of 18F-FDG was injected intravenously. Oral contrast was given to opacify bowel lumen. The patient was put into the scanner in the ”arm-up” position, and the scan from vertex to upper thighs was performed at 89 min. There was no immediately complication during the procedure. The scan was adequate for interpretation. SCAN FINDINGS The level and distribution of radioactivity for staging: 1. Main tumor status: Not found (score 0) 2. Regional LN status: Not found (score 0) 3. Distant site status: Tiny nodule in the right middle lung (SUV 0.4, score 1-2) Bilateral pulmonary hilar lymph nodes (SUV 3.1, score 1) Impression: 1. Sigmoid colon cancer post treatment without definite residual tumor or metastasis. 2. Right middle lung lesion, granuloma may show this picture. Suggest follow-up with chest CT. 3. Pulmonary hilar lymph node lesions, probably reactive adenopathy. Comment: 1. FDG-PET scan might result in a false negative finding if tumor size below 0.6 cm or tumors not FDG-avid. 2. Score 0 = normal; Score 1 = benign lesion; Score 2 = equivocal lesion; Score 3 = possible malignancy; Score 4 = high probability of malignancy.今日回診醫師安排住院直腸切除化驗，那報告判定似乎不同，請鄭主任協助，謝謝！