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. ERA provides a full range of professional radiology...

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Meet the Radiologists

KATHY RYAN

Kathleen Ryan, MD

Dr. Ryan is a board-certified radiologist, specializing in Breast Imaging.

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Services

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TIPS

tips

What does TIPS stand for? TIPS stands for transjular intrahepatic portosystemic shunt: Transjugular – through the jugular vein in your neck Intrahepatic – within your liver Portosystemic – from the portal vein to the hepatic vein Shunt – a tube that allows flow from one blood system to another What is a TIPS procedure? A transjugular intrahepatic portosystemic shunt (TIPS) is a procedure where a path is created in the liver to connect two veins, the path is called a shunt. The shunt is held open by a small tube called a stent (see picture...

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Coronary Computed Tomography Angiography (CCTA)

Heart and Ribs

What is CCTA? Coronary computed tomography angiography (CCTA) is a heart imaging test that helps determine if plaque buildup has narrowed a patient’s coronary arteries, the blood vessels that supply the heart. Plaque is made of various substances circulating in the blood, such as fat, cholesterol and calcium that deposit along the inner lining of the arteries. Plaque, which builds up over time, can reduce or in some cases completely block blood flow. Patients undergoing a CCTA scan receive an iodine-containing contrast material (dye) as an intravenous...

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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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