How do you manage a patient's pain from the skin tattoos placed at the CT simulation?

The best way to avoid pain from tattooing patients is to stop tattooing patients.

In the modern era, many clinics are moving away from tattoos. SGRT has allowed a "tattoo-less" setup.

That being said, if tattoos are still used, the pain is transient/self-limiting. I've never heard of chronic pain is...