When do you use each type of imaging technique?

[Music] when do you use each type of imaging technique at the moment the fdg-pet city gives us the most information in symptomatic disease because a major thing in symptomatic disease is what is left after our treatment for example high-dose chemotherapy we want to know what is left after that and they are PET CT is there that at the moment the best choice so in symptomatic patients PET CT before and after treatment is our recommendation in smoldering patients we want to see the changes early so the highest sensitivity of the MRI is very helpful so in smoldering patients and rather recommend a whole body MRI if available or at least the spinal and pelvic MRI so these are the two different areas in our new guidelines and they we have kind of this this algorithms what to do when we recommend low-dose CT because it's fast it's cheap and it's available all over the world so the recommendations were written for the whole world basically in the u.s. I would say because we recommend low-dose CT there without pet but it's more or less because a lot of countries just don't have access to PET CT that often so in the u.s. I would say PET CT is the choice with the good CT as I mentioned earlier in other countries where there is no excess capacity at least it should be a low-dose CT it's kind of this compromise that we recommend there [Music]