黏液性脐尿管腺癌：氟代脱氧葡萄糖正电子发射断层扫描/计算机断层扫描中一种潜在的非氟代脱氧葡萄糖摄取性陷阱。
Mucinous urachal adenocarcinoma: A potential nonfluorodeoxyglucose-avid pitfall on fluorine-fluorodeoxyglucose positron emission tomography/computed tomography.
作者信息
Das Jeeban Paul, Vargas Hebert Alberto, Ulaner Gary A
机构信息
Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, USA.
Department of Radiology, Weill Cornell Medical College, New York, USA.
出版信息
World J Nucl Med. 2020 Sep 14;19(4):432-434. doi: 10.4103/wjnm.WJNM_60_19. eCollection 2020 Oct-Dec.
Mucinous adenocarcinoma of the urachal remnant is a nonurothelial malignancy that may be asymptomatic until locally advanced or metastatic. We describe a 37-year-old woman with invasive ductal breast carcinoma who underwent Fluorine-fluorodeoxyglucose (F-FDG) positron emission tomography (PET) computed tomography (CT) demonstrating a non-FDG avid pelvic mass, initially suspected to represent a pedunculated uterine fibroid. Magnetic resonance imaging revealed a mixed solid-cystic mass separate from the uterus, suspicious for urachal neoplasm, confirmed as mucinous adenocarcinoma on histopathology. Urachal tumors may not be FDG-avid and represent a potential pitfall on FDG PET/CT.
脐尿管残余黏液腺癌是一种非尿路上皮恶性肿瘤，在局部进展或转移之前可能没有症状。我们描述了一名37岁患有浸润性导管癌的女性，她接受了氟脱氧葡萄糖（F-FDG）正电子发射断层扫描（PET）计算机断层扫描（CT），显示出一个不摄取FDG的盆腔肿块，最初怀疑是带蒂的子宫肌瘤。磁共振成像显示一个与子宫分离的混合实性囊性肿块，怀疑为脐尿管肿瘤，组织病理学证实为黏液腺癌。脐尿管肿瘤可能不摄取FDG，这在FDG PET/CT上是一个潜在的陷阱。
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