About ERA

Eastern Radiological Associates (ERA) is a professional partnership of board certified radiologists (doctors trained in medical imaging and image interpretation) who have been providing radiology professional services since 1970. Our mission is simple. Eastern Radiological Associates serves the patient and physician community of the region (Montana, Wyoming, and surrounding) by providing the highest quality diagnostic imaging and interventional services in a caring and compassionate atmosphere. Did you know? We are involved in the Yellowstone community… learn...

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Meet the Radiologists

Rex Dietz

Rex Dietz, MD

Rex Dietz is a board-certified radiologist and he is fellowship/sub-specialty trained in neuroradiology.

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Services

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Musculoskeletal Imaging

knee

Musculoskeletal radiology (MSK) is a subspecialty of radiology. MSK radiology uses state-of-the-art imaging technology to diagnose disorders of bones, joints, and soft tissues using a wide variety of modalities including conventional radiography (x-ray), computed tomography (CT), ultrasonography, and magnetic resonance imaging (MRI). MSK radiologists help diagnose a variety of musculoskeletal disorders including trauma, sports injury, arthritis, bone and soft tissue tumors, and many other etiologies causing acute and chronic pain. Our state-of-the-art...

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Nuclear Medicine

nulcear medicine

Nuclear medicine is a branch of medical imaging that uses small amounts of radioactive material to diagnose and determine the severity of or treat a variety of diseases, including many types of cancers, heart disease, gastrointestinal, endocrine, neurological disorders and other abnormalities within the body. Because nuclear medicine procedures are able to pinpoint molecular activity within the body, they offer the potential to identify disease in its earliest stages as well as a patient’s immediate response to therapeutic interventions. Nuclear...

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Tumor Cryoablation

What is tumor cryoablation? Tumor cryoablation is a procedure that uses extreme cold to freeze and destroy cancer cells. Cryoablation is used to treat tumors of the kidney. How is tumor cyroablation done? A needle-like applicator will be placed in contact with the tumor, more than one applicator may be used depending on the tumor size and location. Dr. Christenson will use ultrasound and other x-ray imaging to guide the applicator(s) to the treatment site. Once the applicator is in the correct location, Dr. Christenson will administer argon gas...

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