John Shepherd, PhD
|School||UCSF School of Medicine|
|Department||Radiology and Biomedical Imaging|
|Address||400 Parnassus Avenue|
San Francisco CA 94117
|Karolinska Institute, Stockholm, Sweden||2013
||2014||Fulbright Scholar |
|International Society for Clinical Densitometry||2013
||2013||Oscar Gluck Humanitarian Award|
|International Society for Clinical Densitometry||2007
||2007||John P. Belezikian Global Leadership Award|
John A. Shepherd, PhD, CCD, CDT, is an Associate Adjunct Professor in the Department of Radiology and he is the Director of the Breast and Bone Density Imaging Group at the University of California, San Francisco. He is an expert in dual-energy x-ray absorptiometry (DXA), which measures soft tissue body compartments and bone density and bone morphometry. Dr. Shepherd received his BS in Engineering Physics from Texas Tech University in Lubbock, Texas, and he obtained his PhD in Engineering Physics from the University of Virginia in Charlottesville, Virginia, followed by a postdoctoral fellowship from Princeton University in Princeton, New Jersey.
Dr. Shepherd’s research interests involve quantitative imaging methods for tissue composition using x-rays. His mammographic methods are used for research around the world and in the San Francisco Mammography Registry Program. Dr. Shepherd’s efforts are focused on the technical imaging aspects of the measurements of the body composition and the translation of these measurements into different fields of study. He has present and future research projects in the following areas: breast cancer risk and detection using tissue composition; molecular computed tomography (MCT); 4CDXA; quality assurance and quality control methods.
Breast and bone density
Quantitative imaging methods for tissue composition using x-rays, dual-energy x-ray absorptiometry (DXA)
Body composition, diagnostic x-ray imaging, mammographic density, bone densitometry, dual x-ray absorptiometry (DXA), single X-ray absorptiometry (SXA), quantitative computed tomography, osteoporosis, breast cancer, peripheral bone densitometry, quantitative ultrasound
Education and Training:
• Bachelor of Science: Texas Tech University, Lubbock - Engineering Physics
• Doctor of Philosophy: University of Virginia, Charlottesville - Engineering Physics
• Postdoctoral Fellow: Princeton University, Princeton - Physics Department
• Certified Clinical Densitometrist (CCD), International Society for Clinical Densitometry
• Cert. Densitometry Technologist (CDT), International Society for Clinical Densitometry
• Limited License: X-ray Bone Densitometry, American Registry of Radiologic Technologists California
Body composition, diagnostic x-ray imaging, mammographic density, bone densitometry, dual x-ray absorptiometry (DXA), single X-ray absorptiometry (SXA), quantitative computed tomography, osteoporosis, breast cancer, peripheral bone densitometry, quantitative ultrasound.
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