术后反应性淋巴结炎：氟代脱氧葡萄糖正电子发射断层扫描/计算机断层扫描（FDG PET/CT）假阳性的一个潜在原因。
Postoperative reactive lymphadenitis: A potential cause of false-positive FDG PET/CT.
作者信息
Liu Yiyan
机构信息
Yiyan Liu, Nuclear Medicine Service, Department of Radiology, Rutgers University Hospital, Newark, NJ 07103, United States.
出版信息
World J Radiol. 2014 Dec 28;6(12):890-4. doi: 10.4329/wjr.v6.i12.890.
Abstract
A wide variety of surgical related uptake has been reported on F18-fluoro-2-deoxy-D-glucose positron emission tomography/computed tomography (FDG PET/CT) scan, most of which can be differentiated from neoplastic process based on the pattern of FDG uptake and/or anatomic appearance on the integrated CT in image interpretation. A more potential problem we may be aware is postoperative reactive lymphadenitis, which may mimic regional nodal metastases on FDG PET/CT. This review presents five case examples demonstrating that postoperative reactive lymphadenitis could be a false-positive source for regional nodal metastasis on FDG PET/CT. Surgical oncologists and radiologists should be aware of reactive lymphadenitis in interpreting postoperative restaging FDG PET/CT scan when FDG avid lymphadenopathy is only seen in the lymphatic draining location from surgical site.
摘要
F18-氟-2-脱氧-D-葡萄糖正电子发射断层扫描/计算机断层扫描（FDG PET/CT）已报道了多种与手术相关的摄取情况，其中大多数在图像解读中可根据FDG摄取模式和/或融合CT上的解剖外观与肿瘤性病变相鉴别。我们可能意识到的一个更潜在的问题是术后反应性淋巴结炎，它在FDG PET/CT上可能类似于区域淋巴结转移。本综述展示了五个病例实例，表明术后反应性淋巴结炎可能是FDG PET/CT上区域淋巴结转移的假阳性来源。当仅在手术部位的淋巴引流部位发现FDG摄取阳性的淋巴结病时，外科肿瘤学家和放射科医生在解读术后分期FDG PET/CT扫描时应注意反应性淋巴结炎。
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