Non small cell lung cancer other imaging findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Maria Fernanda Villarreal, M.D. [2]

Overview

Other imaging findings of non-small cell lung cancer include PET/CT and pulmonary angiography.

Other Imaging Findings

PET/CT

PET scanning with the tracer fluorine-18 (F-18) fluorodeoxyglucose (FDG), called FDG-PET, is widely used in the diagnosis of non-small cell lung cancer, for the following reasons:

• General follow-up
• Characterization of treatment response
• Staging modality (in the risk of missing occult disease)

• On PET/CT, findings of non-small cell lung cancer, include:

• The CT scan demonstrates abnormalities such as a lung nodule or enlarged lymph nodes. Whereas, the PET scan reveals increased metabolism in structures which contain rapidly growing cancer cells
• Intense radiolabeling of tissues with high glucose uptake, such as the brain, the liver, and malignant tumor cells.

• On gallium-67-Scan, characteristic findings of non-small cell lung cancer, include:

• Gallium uptake is mainly dependent on tumor size (limited practical value)

Pulmonary Angiography

• On pulmonary angiography, findings of non-small cell lung cancer, include:

• Evaluation of central pulmonary artery invasion