Medical and Scientific Staff

Galina I. Bannykh, MD • Surgical Pathology Consultant and Medical Director - Phoenix

Dr Bannykh is board-certified in anatomic and clinical pathology. She received her medical degree from the Ivanovo State Medical School in Ivanovo, Russia. She received her surgical pathology training at the University of California San Diego and then performed a fellowship in oncologic pathology at Memorial Sloan-Kettering in New York.

George S. Csathy, MD • Surgical Pathology - Irvine, Calif

Dr Csathy is board-certified in anatomic and clinical pathology. He received his medical degree from the University of Minnesota and completed a residency in anatomic and clinical pathology at Cedars-Sinai Medical Center in Los Angeles. He was chief resident in anatomic and clinical pathology while at Cedars-Sinai. He has served as an assistant clinical professor at the University of Southern California's Keck School of Medicine and has been involved in teaching at UCLA's Center for Health Sciences.

Wayne W. Chen, MD • Associate Diagnostic Consultant - Irvine, Calif

Dr Chen is board-certified in anatomic and clinical pathology and hematopathology. He received his medical degree from Nanjing Medical University, his master's degree from Peking University Health Science Center, and his PhD from the National Institute of Virology in China. He was a postdoctoral fellow at The Scripps Research Institute, La Jolla, Calif. He completed his residency in anatomic and clinical pathology at University of Arizona, Tucson, and completed a two-year fellowship in hematopathology with a subspecialty in lymphoma and lymph node pathology under Dr Elaine S. Jaffe at the
National Cancer Institute in Bethesda, MD.

David J. Dabbs, MD • Chief Diagnostic Consultant

Dr Dabbs is a graduate of the Medical College of Ohio, held the position of chief resident at the University of Washington, and has devoted his work to diagnostic surgical pathology. He has extensive experience in immunohistochemistry and is the author and editor of the textbook Diagnostic Immunohistochemistry, now in its second edition. He is the chief of pathology, Magee-Women's Hospital of the University of Pittsburgh Medical Center, and professor of pathology at the University of Pittsburgh. Dr Dabbs has more than twenty years of experience in the surgical pathology of solid tumors, with additional subspecialty-focused interest in the study of tumors of unknown origin, breast and gynecologic pathology, and tumor cytopathology. He offers national workshops in breast pathology and immunohistochemistry and has published and presented more than 100 papers in peer-reviewed journals and at national meetings.He sits on multiple journal editorial boards, educational, and scientific advisory boards.

Froilan P. Espinoza, MD • Hematopathology and Acting Medical Director - Irvine, CA

Dr Espinoza is board-certified in anatomic and clinical pathology and immunopathology. He is a graduate of California State University, San Bernardino, and University of California Irvine-California College of Medicine. He served as a resident in pathology at the University of California Irvine Medical Center, Veterans Affairs Medical Center, and Long Beach and Memorial Medical Center through a combined program, serving as chief resident his final year. He completed a fellowship in surgical pathology at the University of California Irvine Medical Center. Since 1990, Dr Espinoza has held the position of assistant clinical professor in the Department of Pathology at the University of California Irvine- California College of Medicine. He joined US LABS after serving as the medical director of hematology-oncology at Quest Diagnostics' Nichols Institute.

Shi-Ping Jiang, MD, PhD • Hematopathology - Irvine, Calif

Dr Jiang is board-certified in anatomic and clinical pathology and hematopathology. She received her medical degree from Tongji Medical University, China, where she also received her master's degree in clinical research. She completed residency programs at the University of Oklahoma Health Sciences Center and George Washington University Medical Center. She also completed a fellowship in hematopathology at Scripps Clinic, San Diego, Calif. Other training in hematopathology includes completion of special programs under the tutelage of Dr John Chan, Queen Elizabeth Hospital, Hong Kong, and Dr Elaine Jaffe, National Institutes of Health, Bethesda, MD.

Keming Lin, MD • Surgical Pathology - Brentwood, Tenn

Dr Lin is board-certified in anatomic and clinical pathology. His postdoctoral training includes a residency in anatomic and clinical pathology with the Department of Pathology, Conemaugh Memorial Hospital, Johnstown, Pa, and with the Department of Pathology, The George Washington University Hospital, Washington, DC. Dr Lin completed a fellowship in hematopathology at New York University Medical Center. He conducted research in the area of human genetics as an associate in the Department of Pediatrics at the University of Chicago, Chicago, Ill, and as a visiting fellow at the National Institutes of Health, Bethesda, MD.

Jerome L. McCombs, PhD • Director of Cytogenetics - Austin, Texas

Dr McCombs is board-certified in clinical cytogenetics. He received his PhD in physiology and genetics from the University of Alabama at Birmingham, Ala. He is a member of the American Society of Human Genetics and the American Board of Medical Genetics.

Lydia E. McMorrow, PhD • Director of Cytogenetics - East Windsor, NJ

Dr McMorrow is board-certified in clinical cytogenetics. She received her PhD in biology from New York University, and is a member of the American Society of Human Genetics and the Association of Genetics Technologists.

David T. Miller, MD, PhD • Surgical Pathology - Brentwood, Tenn

Dr Miller is board-certified in clinical pathology. He received his PhD from the University of Virginia and his medical degree from the University of Nebraska. He has more than 20 twenty years of experience in the development and implementation of diagnostic applications for clinical pathology, with more than 10 ten years focused in flow cytometry. Dr Miller is a member of the International Society for Analytical Cytology and the American Association of Blood Banks.

Takako Mitsuhashi, MD, PhD • Surgical Pathology - Irvine, Calif

Dr Mitsuhashi is board-certified in anatomic and clinical pathology. She received her medical degree from Tokyo Women's Medical School and completed her PhD at the Gunma University School of Medicine in Japan. Dr Mitsuhashi was a postdoctoral fellow at the University of California San Francisco and completed her dermatopathology fellowship at the University of California Irvine. Dr Mitsuhashi also served as a clinical instructor in general surgical pathology and dermatopathology.

Debra M. Nelson, MD • Hematopathology - Brentwood, Tenn

Dr Nelson is board-certified in anatomic and clinical pathology and hematopathology. She is a graduate of the University of the West Indies Faculty of Medicine, and she completed her residency in pathology and fellowship in hematopathology at the University of Florida under the mentorship of Dr Raul Braylan, a recognized expert in hematopathology and flow cytometric analysis.Dr Nelson is a member of the College of American Pathologists, the American Society of Clinical Pathologists, and the Florida Medical Association.

Joseph S. Papiez, MD • Hematopathology - Brentwood

Dr Papiez is board-certified in anatomic and clinical pathology and hematopathology. He earned his medical degree at the Indiana School of Medicine. He subsequently completed his residency in pathology and a fellowship in hematopathology at the University of Florida under the mentorship of Dr Raul Braylan, a world-renowned expert in hematopathology and flow cytometric analysis.Dr Papiez is a member of the College of American Pathologists, the American Society of Clinical Pathologists, and the Florida Medical Association.

Radha Satyadev, MD, FCAP• Associate Medical Director of Molecular Diagnostics - Irvine, Calif

Dr Satyadev is board-certified in anatomic and clinical pathology and hematopathology. She received her medical degree with honors from Osmania University, Hyderabad, India. Dr and completed an internship at the University of Massachusetts and residency at the University of Medicine and Dentistry of New Jersey, Newark, NJ, and Saint Barnabas Medical Center, Livingston, NJ. She also completed a one-year residency in surgical pathology at Saint Barnabas Medical Center with Drs Robert V.P. Hutter and Robert Rickert. She performed rotations in pulmonary and diagnostic radiologic pathology at the Armed Forces Institute of Pathology. Dr Satyadev also completed a fellowship in hematopathology at Cedars-Sinai Medical Center, Los Angeles. Dr Satyadev is a fellow of the College of American Pathologists and a member of the American Society of Clinical Pathologists and the Society for Hematopathology.

Robert Stroup, MD • Surgical Pathology - Irvine, Calif

Dr Stroup is board-certified in anatomic pathology. He received his medical degree from the University of Washington Medical School. He completed residencies in surgical pathology at Brigham and Women's Hospital. He completed a fellowship in hematopathology at the City of Hope National Medical Center under the direction of the late Dr Henry Rappaport. Dr Stroup has performed the duties of a staff pathologist at the City of Hope Medical Center. More recently, he served as medical director for US LABS from 2000 through 2003. He has published numerous papers and abstracts during his extensive career and is an expert in the advanced testing methodologies utilized at US LABS.

Wlodek Szczarkowski, MD • Hematopathology - Brentwood, Tenn

Dr Szczarkowski received his medical degree from the Jagiellonian University in Krakow, Poland. He completed his residency in clinical pathology at Berkshire Medical Center in Massachusetts and completed fellowships in hematopathology at Harvard University and William Beaumont Hospital. Additionally,Dr Szczarkowski completed a molecular pathology fellowship at the University of Pennsylvania. Dr Szczarkowski is one of the nation's leading experts in flow cytometry, with more than 100,000 reviewed cases, and is responsible for developing and implementing flow cytometry testing and maintaining US LABS' high standards in data interpretations and quality assurance.

Ronald W. Thomason, MD • Medical Director - Brentwood, Tenn

Dr Thomason is board-certified in anatomic and clinical pathology and hematopathology.He received a medical degree with highest honors from the University School of Medicine in Memphis,Tenn.Dr.Thomason completed a residency in anatomic and clinical pathology at Wilford Hall Medical Center at Lackland Air Force Base in Texas and participated in a hematopathology fellowship directed by Dr Peter Banks at the University of Texas Health Science Center at San Antonio.

Patricia Uherova, MD • Hematopathology - Brentwood, Tenn

Dr Uherova is board-certified in anatomic and clinical pathology and hematopathology. She earned her medical degree at the Charles University School of Medicine in Prague, Czechoslovakia. She completed her residency in pathology at the University of Michigan and completed hematopathology fellowships at the University of Michigan and Vanderbilt University. She is a member of the College of American Pathologists, the American Society of Clinical Pathologists, the United States and Canadian Academy of Pathologists, and the Michigan Society of Pathologists.

Horacio Vall, PhD • Associate Vice-President Technology and Science and US LABS Director- Irvine, CA

Horacio Vall, is joining US LABS as an Associate Vice-President Technology and Science/US LABS Director Doctor of Biochemistry. He joins us from Clarient, Inc. where he was Vice President of Laboratory services for 3 years. While there, he was responsible for developing and implementing specific tests on flow cytometry, molecular oncology and FISH, using conventional and new ways to improve the laboratories efficiencies and work flow. Prior to that, Dr. Vall worked for Genzyme (formally Impath) for 8 years. As the Corporate Technical Director High Complexity testing, he was responsible for new technologies involving flow cytometry, image analysis and complex molecular based testing. He was also responsible for the overall management of all clinical laboratory testing operations and test development for the division, and led the QA&QC team in assessment, development of the product pipeline and technology utilization. During the early1990’s he worked at both Loma Linda University Medical Center (1995-1996) and City of Hope National Medical Center (1991-1995) where he worked on Leukemia Lymphoma flow cytometry analysis and helper/suppressor studies in transplant patient for drug monitoring, immunodeficiency patients using flow cytometry and performed stem cell studies for autologous bone marrow transplants. Dr. Vall received his doctorate at the National University of Rosario in Rosario, Argentina.

Changjun Yue, MD, PhD • Hematopathology - Irvine, Calif

Dr Yue received his medical degree from Second Military Medical University, Shanghai, China, and his PhD from the University of Southern California, Los Angeles, Calif. He completed his residency in anatomic and clinical pathology, which included eight months of hematopathology training from Harbor UCLA Medical Center.Dr Yue completed a lymphoma fellowship with Dr Elaine Jaffe at the National Cancer Institute, National Institutes of Health in Washington DC.He completed a hematopathology fellowship at UCLA in Los Angeles and was a practicing pathologist at Diagnostic Pathology Medical Group in Sacramento, Calif.

Xiao-Xiang Zhang, MD, PhD Cytogenetics - Brentwood, Tenn

Dr Zhang is board certified in clinical cytogenetics. She received her medical degree from Hunan Medical University, Changsha, China, and her PhD in pathology/cytogenetics from McGill University in Montreal, Quebec, Canada. She completed fellowship training in clinical molecular genetics at Duke University Medical Center under Dr Y.T.Chen and in clinical cytogenetics at that same institution under Dr M.B.Qumsiyeh.Dr Zhang has authored numerous articles on topics in her fields of expertise.