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Pitfalls
• Broncho-alveolar carcinoma:
limited/no uptake of FDG
• Border tumor and atelectasis:
not validated with pathology
•
Post-obstruction pneumonia:
increased uptake of FDG
• Inflammatory diseases:
increased uptake of FDG
• Heart:
or mediastinal
involvement?
• Movement of tumor:
blurring of PET signal
4D PET-CT