Medicine · 2015
Intrathoracic Benign Goiter Imaged by 18F-FDG-PET: A Case Report.
Клинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Wakahara Shigeyuki, Konoshita Tadashi, Sakai Ai, Nakaya Takahiro, Ichikawa Mai, Yamamoto Katsushi, Imagawa Michiko, Kimura Hirohiko, Okazawa Hidehiko, Ishizuka Tamotsu
Аннотация
A 55-year-old woman was referred for a suspicion of mediastinal tumor through plain X-ray photography (X-P). Magnetic resonance imaging (MRI) revealed a 3 cm diameter tumor which seemed to connect to the thyroid and projected into the mediastinum. A fine needle aspiration biopsy was tried but could not reach a conclusive diagnosis. Thereby, fluorine-18-fluorodeoxyglucose positron emission tomography (F-FDG-PET) was performed and a high accumulation was revealed with standardized uptake value (SUV) of 3.8. Thus, the right lobe excision procedure was enforced. The obtained tumor was continuous to the right lobe as expected. Microscopically, the encapsulated tumor consisted of atypical large-sized follicles without malignant characteristics. Thus, histological diagnosis was follicular thyroid adenoma.Thus, follicular adenoma of thyroid could present negative iodine-123-radioisotope (I-RI) uptake and positive F-FDG-PET accumulation.