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Your Safety Concerns

You are in good hands.Our radiologists are experts in imaging. They are also teachers and clinicians. They will determine the best radiological exam you need based upon your unique circumstances. We can accommodate your imaging needs even if you present with a pre-existing condition, such as a pregnancy.When possible, we use imaging tests that do not contain radiation.We perform radiology exams for challenging and complex cases, but also perform routine imaging tests, like x-rays to confirm simple bone breaks.

Your Safety

Radiology Safety
Safe Radiology Exam
Safety: Radiology Procedure Checklist
Safety: Cleanliness

Patient Safety

We have multiple processes and procedures in place to ensure your safety during your imaging exam. Among other things, we have an active Quality and Safety Committee, and we continuously monitor our radiation protocols to minimize radiation exposure. Protocols are guidelines.

However, not all imaging tests require radiation. But If radiation is necessary for your imaging test, count on us to use the lowest dose possible. We use the most advanced equipment available. Most imaging tests that use radiation only emit a small amount. It's safe. Problems occur with repeated and unnecessary exposure. Radiation is cumulative. It adds up and healthy organs can only tolerate so much exposure before damage may occur.This is more of a concern in children and adolescents. Their growing bodies are more susceptible to radiation. 

We use the best imaging exam to acquire the information we need to make a diagnosis, determine the extent of injury and/or plot the best way to deliver treatment. And our radiologists are subspecialty trained. They specialize in imaging specific body regions and processes. Their interpretation of imaging exams is more detailed. We deliver a level of expertise associated with a high-volume practice. That's because we are a high-volume practice.

From July 1, 2013 through June 30, 2014, our radiologists conducted:

  • 746,676 diagnostic examinations
  • 15,099 nuclear medicine examinations
  • 48,238 interventional radiology procedures


Liver cancer patients whose tumors are too large for surgical removal might benefit from an interventional procedure available in St. Louis only through Mallinckrodt Institute of Radiology. The outpatient procedure involves injecting yttrium-90 microspheres into the liver using hollow narrow tubes called catheters.

Yttrium-90 microspheres are tiny beads filled with radiation that target cancer cells like a smart bomb. It’s used to treat cancers in the liver that do not respond to chemotherapy. The procedure can shrink the tumor, result in ‘downstaging’ of the disease, and possibly allow for curative surgery and/or a liver transplant later.

It's performed by interventional radiologists (IR). Interventional radiologists are radiologists who diagnose and treat certain conditions using imaging equipment like fluoroscopy, ultrasound and computed tomography (CT) to guide catheters and other devices throughout the body. Our Interventional Imaging section is one of the largest and most comprehensive IR services in the nation.