在对滤泡性淋巴瘤进行18F-FDG PET/CT随访时发现的异时性小细胞直肠癌。
Metachronous presentation of small-cell rectal carcinoma on an 18F-FDG PET/CT follow-up for follicular lymphoma.
作者信息
Qaseem Yousuf, Fair Joanna, Behnia Sanaz, Elojeimy Saeed
机构信息
Department of Radiology, University of New Mexico, MSC 10-5530, 1 University of New Mexico, Albuquerque, NM 87131, USA.
Department of Nuclear Medicine, University of Washington, Seattle, WA, USA.
出版信息
Radiol Case Rep. 2017 Jun 7;12(3):632-634. doi: 10.1016/j.radcr.2017.04.016. eCollection 2017 Sep.
We present a case of a 60-year-old woman with history of follicular lymphoma in remission presenting for an 18F-fluorodeoxyglucose positron emission tomography/computed tomography for suspected recurrence. Imaging showed widespread hypermetabolic lymphadenopathy consistent with lymphoma recurrence. A 3-month 18F-fluorodeoxyglucose positron emission tomography/computed tomography follow-up after chemotherapy showed resolution of hypermetabolic lymphadenopathy but multiple new hepatic lesions and a new subtle rectal lesion. Biopsies of both hepatic and rectal lesions revealed new diagnosis of metachronous high-grade small-cell carcinoma.
我们报告一例60岁女性病例，该患者有滤泡性淋巴瘤病史，目前处于缓解期，因疑似复发接受18F - 氟脱氧葡萄糖正电子发射断层扫描/计算机断层扫描检查。影像学检查显示广泛的高代谢淋巴结病，符合淋巴瘤复发表现。化疗后3个月的18F - 氟脱氧葡萄糖正电子发射断层扫描/计算机断层扫描随访显示，高代谢淋巴结病消退，但出现多个新的肝脏病变和一个新的直肠轻微病变。肝脏和直肠病变的活检均显示新诊断为异时性高级别小细胞癌。
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