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

Brian Christenson

Brian Christenson, MD

Brian Christenson is a board-certified radiologist. He is fellowship/ subspecialty trained in interventional radiology.

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Services

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Breast Imaging

Breast Imaging

Radiologists of Eastern Radiological Associates provide radiological services exclusively to Yellowstone Breast Center. The Yellowstone Breast Center, which is part of Saint Vincent Healthcare, is accredited by the National Accreditation Program for Breast Centers and certified by the FDA. The Yellowstone Breast Center has been accredited by the American College of Radiology as a Breast Imaging Center of Excellence for demonstrating excellence in breast imaging by successfully achieving accreditation in: Digital Mammography Digital Mobile Mammography Breast...

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Y-90 Radiotherapy for Liver Tumors

Y-90

What is Yttrium-90 (Y-90) Radiotherapy? Y-90 Radiotherapy is a special procedure that is done to treat tumors in your liver. In this type of treatment, tiny radioactive beads are injected into the vessels that supply your liver tumor with blood. The tiny beads will stay in the blood vessels around your tumor and allow radiation to reach the tumor(s) directly. Because these beads are delivered directly to your tumor, there is very little effect on the healthy parts of your liver or other tissues around your liver. The beads will put off radiation...

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Vascular Malformation Sclerotherapy/ Embolization

human vascular system

What are vascular malformations? Vascular malformations are blood vessels that did not develop normally before birth. The abnormally developed vessels can be arteries or veins; they may even include lymph vessels. Even though these abnormal vessels are present at birth, you may not know you have them until later in life. What are the symptoms? Venous malformations (abnormal veins) can cause pain, swelling, or changes in skin color. They can also bleed or leak fluids. Arterial malformations (abnormal arteries) can cause pain and bleeding. They can...

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