A member asked:

Do pet scans show lung cancer?

11 doctors weighed in across 3 answers
Dr. David Cooke answered

Specializes in Thoracic Surgery

Pet scans utilize a special sugar molecule or glucose, and attaches a harmless piece of radioactivity to it (fdg). The FDG is taken up by metabolically active tissue, and glows on imaging. Often tumors or lung cancers are metabolically active. A pet scan can be fused with a ct scan, and if a suspicious lung mass on ct scan is metabolically active by pet, it may indicate it is a lung cancer.

Answered Feb 16, 2019

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Dr. Andrew Turrisi answered

Specializes in Radiation Oncology

The pet scan non-specifically show very metabolically active (consuming lots of energy), and lung cancer and its metastasis fit that category. It is not specific. Benign conditions like sarcoid can also make pet studies glow very brightly as well. Slow growing lung cancer, broncheoalveolar may not be pt avid.

Answered Aug 13, 2019

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Dr. Thomas Birdas answered

Specializes in Thoracic Surgery

They show lesions that are suspicious for cancer (including lung cancer). Typically co fir action with a biopsy is required before treatment is initiated.

Answered Mar 18, 2014

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