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Radiology & Nuclear Medicine

Chief, Computed Tomography Section
Diagnostic Radiology, Lung Cancer and Thoracic Oncology Program
Clinical Professor of Radiology
City of Hope National Medical Center

Novel Technologies for the Detection of Lung, Breast and Other Cancers
CT Radiation Exposure: Risks vs. Benefits
CT Lung Cancer Screening

Arnold J. Rotter, M.D., is one of City of Hopes leading experts in computed tomography (CT), body imaging, mammography and other forms of diagnostic imaging. As head of the Computed Tomography Section within the Department of Diagnostic Radiology, Dr. Rotter oversees the application of these novel technologies for the detection of lung, breast and other cancers. In addition to his clinical work, Dr. Rotter is also currently engaged in a major clinical trial, overseeing City of Hopes participation in the International Early Lung Cancer Action Project (I-ELCAP). This multi-institutional project is testing the effectiveness of a new method of computer imaging in screening for lung cancer. Dr. Rotter also serves as a clinical assistant professor of Cross-Sectional Imaging at the University of Southern California (USC) Ð Los Angeles County Medical Center. He completed his fellowship training in ultrasound and CT at USC in 1983. He received his medical degree from Albert Einstein College of Medicine, and performed his residency in diagnostic radiology at Columbia Presbyterian Medical Center in New York. Dr. Rotter is a member of the Los Angeles Radiological Society and the Radiological Society of North America, and a diplomat of the American Board of Radiology.

Clinical Professor of Radiology
City of Hope National Medical Center

MRI in Melanoma


Director, MRI and Radiology Research
Assistant Professor of Radiology
City of Hope National Medical Center

Targeting of Tumors Through Radiologic Guidance
Body Imaging
Radiographic Imaging in Womens Cancers: Role of PET and MRI
The Life Saving Role of Radiology Screening Tests
The Role of Radiology in Clinical Trials
Introduction to MRI
Molecular Imaging Primer
Radiologic Diagnosis of Appendix: CT Scan or Physical Exam – Which One Do We Trust?

Jinha Mark Park, M.D., Ph.D. is an assistant professor in the Department of Diagnostic Radiology at City of Hope. Dr. Park is an experienced radiologist, specializing in oncology and body imaging, and is also a laboratory scientist, who will work with the CITI group in Beckman Research Institute. Dr. Park graduated from the Keck School of Medicine at University of Southern California (USC) in 2001, where he received his M.D., as well as his Ph.D. in Pathobiology. He then completed an internship in Internal Medicine at Kasier Permanente, Los Angeles, and a residency in Radiology at the UCLA Medical Center. He was appointed a Visiting Scholar in the Department of Radiology at Stanford from 2004-5, and then completed a Fellowship in NCI Body Imaging at Stanford in 2008. While at Stanford, he was the recipient of the Ruth L. Kirschstein National Research Service Award (NRSA) T32 Fellowship. Dr. Park was appointed Assistant Professor of Radiology at USC Keck School of Medicine in 2008, where he was an associate member of the Developmental Therapeutics Program. He has published 16 articles in the peer reviewed literature, and has been invited to speak nationally and internationally. Jinha has received grant support from the DOD for his work on targeted gene therapy for breast cancer; his laboratory focus is in novel antibody based molecular imaging agents for detection of tumors. Dr. Park will divide his time between the laboratory and clinical practice, where he will function as a body imager in the department of radiology. He is board certified by the American Board of Radiology.

Chief of Neuroradiology
Associate Clinical Professor of Radiology
City of Hope National Medical Center

Brain Tumors
Spine Tumors
Vertebral Augmentation Procedures

Dr. Ressler is the Chief of Neuroradiology and a clinical staff radiologist at City of Hope. Her primary expertise within Diagnostic Radiology includes brain and spine tumors along with general magnetic resonance imaging studies. Dr. Ressler is also a member of the Interventional Radiology team. She has extensive experience with spine and liver procedures, having brought vertebral augmentation to City of Hope and is heavily involved whit the islet cell transplantation program. Following her technology interests, Dr. Ressler is also the superuser for City of Hopes PACS radiology viewing system and is actively involved as beta tester for all updates to the PACS, 3-D imaging, and voice recognition systems. Dr. Ressler came to City of Hope in 1999 after completing a two-year fellowship in Neuroradiology at the University of Southern California University Hospital and Childrens Hospital of Los Angeles. She holds Bachelor of Science degrees in Mechanical Engineering and Life Sciences from the Massachusetts Institute of Technology and her MD from the University of Southern California. After medical school she completed a two-year residency in general medicine at USC, followed by a clinical diagnostic radiology residency at Martin Luther King Jr./Charles Drew University Hospital.

Chief, Breast Imaging Section and Radiologist, Diagnostic Radiology
Assistant Clinical Professor
City of Hope National Medical Center

Breast Cancer Imaging
Interventional Radiology
New Guidelines for Screening Mammography

New Reporting Mandate for Dense Breast

Lusi Tumyan, M.D., an assistant clinical professor in the Department of Diagnostic Radiology. Dr. Tumyan received her undergraduate degree in biochemistry from Occidental College in Los Angeles where she was elected to Phi Beta Kappa, and went on to obtain her medical doctorate from the David Geffen School of Medicine at UCLA. She completed a medicine internship at Huntington Memorial Hospital in Pasadena, CA, and then completed her training as a general radiology resident at the Los Angeles County/USC Medical Center. Dr. Tumyan then completed a fellowship in breast imaging at the Iris Cantor UCLA Womens Health Center. During her career, Dr. Tumyan has received many awards and honors. She received the Sherman Mellinkoff Faculty Award from UCLA in 2005, and a Howard Hughes Medical Apprenticeship Award in 1999. She received a Certificate of Merit from the Radiological Society of North America in 2009. She has published many articles in peer-reviewed literature and presented at numerous national conferences. Dr. Tumyan is fluent in Russian, Armenian and conversational Spanish. She is also an outstanding specialist in breast imaging.
Good, high energy, clear speaking and practical speaker! – Providence Holy Cross Medical Center

Assistant Clinical Professor of Radiology
City of Hope National Medical Center

New Guidelines for Screening Mammography
Case Based Review of Breast MRI
MRI-Guided Breast BiopsyÊ
Ultrasound of Uterine AnomaliesÊ
Advances in Breast UltrasoundÊ
Breast Cancer Screening: Why, Who, and When?Ê
Cased Based Review of Pelvic MRI
Breast Tomosynthesis


Diagnostic Radiology
City of Hope National Medical Center

Breast Cancer Detection

Sally Shaw, M.D., has practiced radiology at City of Hope for more than 25 years. Since February 1992, she has headed City of Hopes Breast Imaging Section, working to improve the quality of mammography. Dr. Shaw strives to continuously expand and improve City of Hopes breast imaging capabilities. She has overseen the introduction of several novel mammography and biopsy technologies, and has been responsible for auditing the departments performance since 1994. Throughout her career, she has also focused on quality assurance issues in breast imaging, including studies to quantify the benefits of having two radiologists read mammograms, and investigations aimed at improving breast cancer detection techniques.Currently, Dr. Shaw is a member of the National Comprehensive Cancer Network advisory panel that develops and updates guidelines for breast cancer screening for Comprehensive Cancer Centers across the United States. Dr. Shaw received her medical degree from the University of California Irvine. Prior to joining City of Hope in 1977, she served her internship, residency and fellowship at the Los Angeles County Ð University of Southern California Medical Center, where she still serves as an assistant clinical professor in Radiology. She has authored numerous peer-reviewed publications and has delivered presentations at conferences and seminars around the world.

Chair, Diagnostic Radiology
Professor of Radiology
City of Hope National Medical Center


Dr. William D. Boswell is Chairman of Diagnostic Radiology at City of Hope. Dr. Boswell graduated from Thomas Jefferson University, Jefferson Medical College and then completed an internship and residency in diagnostic radiology at the Los Angeles County-USC Medical Center, where he also completed a fellowship in vascular radiology. At the the Keck School of Medicine at USC, he was Professor of Clinical Radiology and Urology, as well as the Associate Chairman of the Department of Radiology, and Chief of Diagnostic Radiology at the USC/Norris Cancer Hospital, a position he has held from the time the hospital first opened in 1982. He was the Chief of Staff at USC/Norris from 1998 through 2002, and served on the Medical Executive Committee from 1983 to 2011. He was an active member of the Institutional Review Board at USC from 1979 through 1996. Dr. Boswell has also been active in the area of health care arena within the county of Los Angeles, serving as a member of the Board of Directors of the Association of Physicians of Los Angeles County Hospitals, and as chair of the radiology standards committee of the Los Angeles County Department of Health Services. Dr. Boswells research interests include urologic cancers, hematologic malignancies, as well as the imaging of oncologic patients in general. He is also an authority in the area of telemedicine and telehealth. He has published 90 papers in the peer-reviewed literature, as well as numerous publications in the non-peer reviewed literature and exhibits, delivered nationally and internationally. He has served as PI or co-PI on 16 different grants, funded by the National Cancer Institute, the National Library of Medicine, the USDA and other foundations.