Could a follow-up PET scan a year later show lymph node involvement if a previous DOTATATE PET scan was positive for a neuroendocrine tumor (NET)?
Yes, it's absolutely possible. Lung NETs can spread to nearby lymph nodes over time, and a follow-up PET scan is one of the key tools used to monitor exactly this kind of Show Full Answer
Could a follow-up PET scan a year later show lymph node involvement if a previous DOTATATE PET scan was positive for a neuroendocrine tumor (NET)?
Yes, it's absolutely possible. Lung NETs can spread to nearby lymph nodes over time, and a follow-up PET scan is one of the key tools used to monitor exactly this kind of change. PET scans are very effective at showing:
- How tumors may have changed in size
- Whether cancer has spread to nearby lymph nodes
- Whether new areas of concern have appeared
- How the cancer is responding (or not) to treatment
A DOTATATE PET scan is particularly useful for neuroendocrine tumors because it targets specific receptors that NETs tend to express, making it very sensitive at detecting spread. It's worth knowing that lung NETs range from slow-growing (typical) to more aggressive (atypical), and the likelihood of lymph node involvement can depend on which type is present. Atypical NETs are more likely to spread.
Sharing any new scan results with your oncologist as soon as possible is really important, so they can adjust your treatment plan if needed. Asking for a second opinion on scan results is always a valid option too.
August 10
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