FDG PET/CT in Peripheral Primitive Neuroectodermal Tumor of the Retroperitoneum

ABSTRACTPeripheral primitive neuroectodermal tumor (pPNET) is a very aggressive neoplasm that predominantly affects children and adolescents with a poor prognosis. A 35-year-old woman presented with right upper abdominal pain for 2 weeks. Abdominal enhanced CT showed a large cystic-solid tumor in th...

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Bibliographic Details
Published in:Clinical nuclear medicine 2014-08, Vol.39 (8), p.707-710
Main Authors: Dong, Aisheng, Wang, Yang, Lu, Jianping, Zuo, Changjing
Format: Article
Language:English
Subjects:
Adult
Female
Fluorodeoxyglucose F18
Humans
Multimodal Imaging
Neuroectodermal Tumors, Primitive, Peripheral - diagnostic imaging
Positron-Emission Tomography
Radiopharmaceuticals
Retroperitoneal Neoplasms - diagnostic imaging
Tomography, X-Ray Computed
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Summary:ABSTRACTPeripheral primitive neuroectodermal tumor (pPNET) is a very aggressive neoplasm that predominantly affects children and adolescents with a poor prognosis. A 35-year-old woman presented with right upper abdominal pain for 2 weeks. Abdominal enhanced CT showed a large cystic-solid tumor in the left retroperitoneum, with progressive enhanced papillary projections of the wall. FDG PET/CT showed strong FDG uptake of the cystic wall with SUVmax of 17.2. The patient underwent completed resection of the tumor. pPNET was confirmed by pathology. The high FDG uptake of the tumor may be related to its high proliferative index revealed by Ki-67.
ISSN:0363-9762
1536-0229
DOI:10.1097/RLU.0b013e318292f38e