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KMID : 1148920170510030277
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Nuclear Medicine and Molecular Imaging
2017 Volume.51 No. 3 p.277 ~ p.280
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18F-FDG PET/CT Imaging of Pulmonary Mucinous Cystadenocarcinoma with Signet Ring Cells
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Kalkanis Alexandros
Palaiodimos Leonidas
Klinaki Ifigeneia
Karantanis Dimitrios
Kalkanis Dimitrios
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Abstract
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A 63-year-old male with a recently diagnosed right lung lesion was referred for staging. F-FDG PET/CT scan revealed a hypodense, cystic-like mass in the right upper lung lobe, which demonstrated low, diffuse 18F-FDG uptake, likely due to the presence of mucus, as well as intensely hypermetabolic right hilar and right paratracheal lymph nodes. Transbronchial biopsy revealed a primary pulmonary mucinous cystadenocarcinoma with the presence of signet ring cell carcinoma, a co-existence of two rare variants of lung adenocarcinoma. This case report demonstrates the metabolic phenotype along with the radiographic characteristics of this rare tumor and its metastases.
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KEYWORD
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Carcinoma, signet ring cell, Cystadenocarcinoma, mucinous, Fluorodeoxyglucose F18 Imaging, Lung neoplasms, Positron-emission tomography
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