PET-CT has a high accuracy rate of 80% to 90% in detecting cancer.
The whole body scanning of PET-CT can identify tumors within one centimeter, and has good diagnostic significance for cancers in multiple parts of the body such as kidneys, lungs, bones, etc. However, the accuracy of cancer tumors in the stomach will be worse than that of gastroscopy, and the diagnosis of cancers of the rectum and colon will be worse than that of colonoscopy.
The cost of PET-CT examination is higher, different hospitals charge different costs, usually around 8,000 to 10,000 yuan, PET-CT has good significance for early tumor diagnosis, pathological staging, and PET-CT is a safe, reliable, painless and non-invasive examination, which is more commonly used in clinical practice.