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

DILLARD JOE

Joseph Dillard, MD

Joseph Dillard is a board-certified radiologist and he is fellowship/sub-specialty trained in neuroradiology and interventional and vascular radiology.

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Services

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Varicocele Embolization

men contemplating

What is a varicocele? A varicocele is a varicose vein of the testicle and scrotum that may cause pain and shrinking of the testicles. In healthy veins of the scrotum, a one-way valve allows blood to flow from the testicles and scrotum back to the heart. In a varicocele, the one-way valve has failed resulting in pooled blood and enlarged veins around the testicle. What is Varicocele Embolization? The enlarged veins found in a varicocele can be treated using embolization. In embolization a small tube called a catheter is inserted in the groin area...

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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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Positron Emission Tomography (PET)

PET scan

Positron Emission Tomography (PET) technology, often used in combination with CT imaging, uses a scanner and a small amount of radioactive glucose (sugar) which is injected into a patient’s vein to make detailed, computerized pictures of areas inside the body where the glucose is used. A PET-CT scan consists of 2 parts: first, a CT scan to pinpoint the location for the PET, and then the PET scan itself. During a PET scan, a ring of detectors picks up radiation signals from the patient’s body coming from previously injected radiopharmaceuticals....

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