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KMID : 1148920200540050261
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Nuclear Medicine and Molecular Imaging
2020 Volume.54 No. 5 p.261 ~ p.263
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Real Time F-18 FDG PET-CT-Guided Metabolic Biopsy Targeting Differential FDG Avidity in a Pulmonary Blastoma
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Jain Tarun Kumar
Singh Harmandeep
Kumar Rajender
Bal Amanjit
Sood Ashwani
Mittal Bhagwant Rai
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Abstract
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Pulmonary blastoma (PB) is a rare thoracic malignancy and preoperative diagnosis is challenging. A young man presented with dyspnea and chest pain for 3?4 months and chest-computed tomography (CT) revealed large mass in the left lung upper lobe and pleural effusion. Repeated CT-guided fine-needle aspiration cytology from the lesion and pleural fluid aspiration was negative for malignancy. F-18-fluorodeoxyglucose positron emission tomography-computed tomography (FDG PET-CT) revealed heterogeneous tracer avidity in left lung mass with areas of necrosis. Real-time PET-CT-guided biopsy from metabolically active component of the lesion revealed biphasic PB on histopathology.
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KEYWORD
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Pulmonary blastoma, F-18 FDG PET-CT, PET-guided biopsy
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