title: Nonfunctioning Periurethral Paraganglioma Incidentally Detected by FDG PET/CT.
abstract: Paragangliomas are extra-adrenal neuroendocrine tumors that are derived from neural crest cells. Among all the paragangliomas, those in a pelvic location are extremely rare. In addition, the prevalence of nonfunctioning paragangliomas is underestimated because of their clinical latency, and they are often underdiagnosed unless they cause symptoms. We report a case of a nonfunctioning periurethral paraganglioma that was incidentally detected by FDG PET/CT during regular follow-up after excision of a melanoma on the left thumb.
authors.affiliation: Department of Nuclear Medicine, Seoul National University College of Medicine, 101 Daehang-ro, Seoul, 110-744 South Korea.
authors.forename: Chulhan
authors.initials: C
authors.lastname: Kim
authors.affiliation: Department of Nuclear Medicine, Seoul National University College of Medicine, 101 Daehang-ro, Seoul, 110-744 South Korea ; Department of Nuclear Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, 39 Boramae Road, Seoul, 156-707 South Korea.
authors.forename: So Won
authors.initials: SW
authors.lastname: Oh
authors.affiliation: Department of Pathology, Seoul National University College of Medicine, Seoul, South Korea.
authors.forename: Jeong Mo
authors.initials: JM
authors.lastname: Bae
authors.affiliation: Department of Pathology, Seoul National University College of Medicine, Seoul, South Korea.
authors.forename: Kyeong Cheon
authors.initials: KC
authors.lastname: Jung
authors.affiliation: Department of Radiology, Seoul National University College of Medicine, Seoul, South Korea.
authors.forename: Seung Hyup
authors.initials: SH
authors.lastname: Kim
authors.affiliation: Department of Nuclear Medicine, Seoul National University College of Medicine, 101 Daehang-ro, Seoul, 110-744 South Korea.
authors.forename: Keon Wook
authors.initials: KW
authors.lastname: Kang
authors.affiliation: Department of Nuclear Medicine, Seoul National University College of Medicine, 101 Daehang-ro, Seoul, 110-744 South Korea ; Department of Molecular Medicine and Biopharmaceutical Sciences, WCU Graduate School of Convergence Science and Technology, Seoul National University, Seoul, South Korea.
authors.forename: Dong Soo
authors.initials: DS
authors.lastname: Lee
keywords: Extra-adrenal pheochromocytoma; FDG PET/CT; Nonfunctioning periurethral paraganglioma