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

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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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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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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Neurologic Imaging

bsdi

Neuroradiology is a subspecialty of radiology, focusing on the diagnosis and characterization of abnormalities of the central and peripheral nervous system, spine, and head and neck. Neurologic imaging methods include computed tomography (CT) and magnetic resonance imaging (MRI). Ultrasound is used in limited circumstances, in particular in the pediatric population. Angiography is traditionally used for diagnosis of vascular abnormalities or diagnosis and characterization of masses or other lesions but is being replaced in many instances by CT...

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