Do ct scans always show cancer?

CT scans show a slice, or cross-section, of the body. The image shows your bones, organs, and soft tissues more clearly than standard x-rays. CT scans can show a tumor’s shape, size, and location. They can even show the blood vessels that feed the tumor – all without having to cut into the patient. read more

Can a CT scan always catch cancer or can it no appear on the scan, we are talking about two scan with three months in between and shadow on lung is still there, is it possible it's just scaring from a bad cold or is there a chance that the CT scan missed the cancer. read more

Risks of CT scans include: Allergy to contrast dye; Exposure to radiation; Damage to kidney function from contrast dye ; CT scans expose you to more radiation than regular x-rays. Many x-rays or CT scans over time may increase your risk for cancer. However, the risk from any one scan is small. Most modern scanners are able to reduce the radiation exposure. read more