Fairfax Radiological Consultants

To Schedule an Appointment Call:
703.698.4488

Nuclear Medicine

What Is Nuclear Medicine?

Nuclear Medicine is a specialized imaging technology that uses small amounts of radioactive material called radiotracers or radioisotopes to capture the molecular activity of various organs and systems of the body, allowing us to diagnose and treat many conditions in their earliest stages.

At Fairfax Radiology, we provide a full array of studies, including bone, renal, lung scans, Thyroid and SPECT (Single-Photon Emission Computed Tomography) imaging, as well as any confirming imaging tests (X-rays) to provide a complete picture of any conditions.

Brigid A. Castro, M.D.

Brigid A. Castro, M.D.

Diagnostic Radiology
Nuclear Medicine
PET CT
Ultrasound
Joined Practice:
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Medical School

Georgetown University School of Medicine
Completed 1991

Residency

Duke University Medical Center
Completed 1996

Fellowship

Mallinckrodt Institute of Radiology at Barnes-Jewish Hospitals
Nuclear Medicine
Completed 1997

Board Certification

American Board of Nuclear Medicine
American College of Radiology

Professional Affiliations & Memberships

American College of Radiology
Radiological Society of North America
Society of Nuclear Medicine

Michael G. Velchik, M.D.

Michael G. Velchik, M.D.

Diagnostic Radiology
Nuclear Medicine
Ultrasound
Joined Practice:
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Medical School

State University of New York
Completed 1977

Residency

University of Pennsylvania
Completed 1980

Fellowship

University of Pennsylvania
Nuclear Medicine
Completed 1982

Board Certification

American Board of Radiology
1978
American Board of Nuclear Medicine
1982

Professional Affiliations & Memberships

Society of Nuclear Medicine
American College of Radiology
Radiologic Society of North America
American Medical Association
American College of Nuclear Physicians
American Roentgen Ray Society
Association of University Radiologists

Wei-Shen D. Griggs, M.D.

Wei-Shen D. Griggs, M.D.

Breast Imaging
Diagnostic Radiology
Nuclear Medicine
PET CT
Ultrasound
Joined Practice:
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Medical School

University of Chicago
Completed 2001

Residency

Hospital of the University of Pennsylvania
Completed 2006

Fellowship

Hospital of the University of Pennsylvania
Nuclear Medicine
Completed 2007

Professional Affiliations & Memberships

American College of Radiology

Jonathan E. Alfert, M.D.

Jonathan E. Alfert, M.D.

Body Imaging
Diagnostic Radiology
Nuclear Medicine
PET CT
Ultrasound
Joined Practice:
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Medical School

State University of New York
Completed 1996

Residency

University of Virginia
Completed 2001

Fellowship

Harvard Medical School
Nuclear Medicine
Completed 2002

Board Certification

American Board of Radiology
2001

Professional Affiliations & Memberships

Radiological Society of North America
American College of Radiology

List of Procedures in this Category

PET/CT

A diagnostic test that combines nuclear medicine with advanced 3D imaging to offer the most advanced imaging technique available for the diagnosis, monitoring and treatment of many diseases.

Bone Scans

A type of Nuclear Medicine test that helps diagnose different bone diseases or conditions.

HIDA with CCK

What is HIDA with CCK? A Hida Scan, also known as a Hepatobiliary Scan, is a type of Nuclear Medicine testing that uses a radioactive material (radiotracer) to determine the structure of the liver, ga...

Gastric Emptying

What is Gastric Emptying? For many people who complain of abdominal bloating or fullness after eating just a small amount of food or the same symptoms that last for a long period after a meal, the iss...

Common Questions