| CASE REPORT |
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| Year : 2020 | Volume
: 19
| Issue : 4 | Page : 432-434 |
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Mucinous urachal adenocarcinoma: A potential nonfluorodeoxyglucose-avid pitfall on 18fluorine-fluorodeoxyglucose positron emission tomography/computed tomography
Jeeban Paul Das, Hebert Alberto Vargas, Gary A Ulaner
Department of Radiology, Memorial Sloan Kettering Cancer Center; Department of Radiology, Weill Cornell Medical College, New York, USA
Correspondence Address:
Dr. Jeeban Paul Das
Department of Radiology, Memorial Sloan Kettering Cancer Center, New York
USA
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/wjnm.WJNM_60_19
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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 18Fluorine-fluorodeoxyglucose (18F-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. |
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