CTICasesIncreased FDG Uptake from Coughing
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Imaging findings
PET-CT showed diffuse FDG uptake in the chest wall musculature, including intercostal and paraspinal muscles, and extending into the abdominal wall muscles. This uptake was more pronounced in the lower chest and abdominal wall.
Key takeaways
This is a pitfall on PET imaging, representing increased metabolic activity from muscle action related to coughing, especially noticeable in areas of greater mobility like the lower ribs and abdominal wall.
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