Diagnostic is when you're trying to figure out what's wrong with someone-- like taking an x-ray to see if a bone is broken or see if there's mucus in the lungs that's consistent with pneumonia. Therapeutic is done to help manage an existing illness and is most often associated with oncology (cancer treatment) like radiation therapy.
Diagnostic is when you're trying to figure out what's wrong with someone-- like taking an x-ray to see if a bone is broken or see if there's mucus in the lungs that's consistent with pneumonia. Therapeutic is done to help manage an existing illness and is most often associated with oncology (cancer treatment) like radiation therapy.