ARUP's Anatomic Pathology division consists of more than 30 expert pathologists, all of whom are faculty members in the Department of Pathology at the University of Utah School of Medicine. These pathologists provide a full range of consultative and diagnostic services, ranging from flow cytometry and molecular diagnostics to surgical pathology.

David W. Bahler, MD, PhD
Medical Director, Hematologic Flow Cytometry Laboratory
Dr. Bahler is the medical director of the Hematologic Flow Cytometry Laboratory at ARUP and an associate professor of pathology at the University of Utah School of Medicine. He is certified by the American Board of Pathology in clinical pathology, with an added qualification in hematology. Dr. Bahler received his PhD in immunology and his MD from the University of Rochester.

Joel S. Bentz, MD, MS
Medical Director, Cytopathology Laboratory
Dr. Bentz is the medical director of the Cytopathology Laboratory at ARUP Laboratories and an associate professor of pathology at the University of Utah. Dr. Bentz received his MD from the University of North Dakota and his MS in anatomy and cell biology from the University of Iowa. He is certified by the American Board of Pathology in anatomic and clinical pathology, with added qualification in cytopathology. He is on the medical staff of the University of Utah Hospitals and Clinics, Primary Children’s Medical Center, and Salt Lake Veterans Administration Medical Center in Salt Lake City, and is a member of the Huntsman Cancer Care Program at the Huntsman Cancer Hospital. Dr. Bentz has published articles and book chapters in the areas of gynecologic cytopathology, fine-needle aspiration, and molecular pathology.

Philip S. Bernard, MD
Medical Director, Molecular Pathology Laboratory
Dr. Bernard is the medical director of the Solid Tumor Molecular Diagnostics Laboratory at ARUP and an assistant professor of pathology at the University of Utah School of Medicine. As an investigator at the Huntsman Cancer Hospital, Dr. Bernard’s laboratory uses microarrays for a comprehensive genomics approach to developing molecular classifications for cancer. Dr. Bernard received his MD and postdoctoral training from the University of Utah and is certified in clinical pathology by the American Board of Pathology.

Arthur Brothman, PhD, FABMG, FACMG
Medical Director, Cytogenetics Laboratory
Dr. Brothman is a medical director of the Cytogenetics Laboratory at ARUP and professor of pediatrics and adjunct professor of human genetics and pathology at the University of Utah School of Medicine. He received a PhD and MS in genetics from the University of Arizona and is certified by the American Board of Medical Genetics, with a subspecialty in clinical cytogenetics.

Dr. Brothman served on the College of American Pathologists/American College of Medical Genetics Cytogenetics Resource Committee where he was charged with establishing a proficiency test for CGH microarrays. He has been active in the Southwest Oncology Group, the Children’s Oncology Group, and multiple peer-review committees through the National Institutes of Health and the American Cancer Society. Dr. Brothman was elected to the board of directors for the American Cytogenetics Conference and, among other national appointments, is a founding fellow of the American College of Medical Genetics.

Steven S. Chin, MD, PhD
Medical Director, Neuropathology
Dr. Chin is the medical director of Neuropathology for ARUP and an associate professor and director of Neuropathology for the University of Utah School of Medicine. Dr. Chin received his MD from New York University School of Medicine and his PhD from New York University, Department of Pharmacology. He performed his residency at Columbia-Presbyterian Medical Center where he also completed a fellowship in neuropathology. Dr. Chin performs the Intraepidermal Nerve Fiber Density Analysis test for ARUP clients.

Brian T. Collins, MD
Medical Director, Cytology Laboratory
Dr. Collins is the medical director of the Cytopathology Laboratory at ARUP and a professor of pathology at the University of Utah School of Medicine. As a cytopathologist, Dr. Collins is involved in clinical cytology practice which includes Pap tests, non-GYN cytology, and fine-needle aspiration. Dr. Collins received his MD from the University of Missouri-Kansas City and postdoctoral training from Indiana University. He is certified in anatomic and clinical pathology, with an added qualification in cytopathology by the American Board of Pathology.

Gary L. Ellis, DDS
Centers of Excellence Consultant, Oral and Maxillofacial Pathology
Dr. Ellis serves as a consultant for ARUP’s Centers of Excellence and is an adjunct professor of pathology at the University of Utah School of Medicine. Previously, Dr. Ellis served the Armed Forces Institute of Pathology, where he consulted for more than 24 years on thousands of cases pertaining to head and neck lesions. Dr. Ellis is board certified in oral and maxillofacial pathology and was the past director and president of the American Board of Oral and Maxillofacial Pathology. He is also the coauthor of Fascicle on Tumors of the Salivary Glands.

Todd Kelley, MD
Assistant Medical Director, Hematopathology Laboratory
Dr. Kelley is an assistant medical director of the Hematopathology Laboratory at ARUP and an assistant professor in the Department of Pathology at the University of Utah. He received his MS in immunology and microbiology and his MD from the Ohio State University and completed fellowship training in hematopathology at the Cleveland Clinic. He is board certified in anatomic and clinical pathology by the American Board of Pathology with subspecialty certification in hematology. His research interests include the identification of novel diagnostic and prognostic biomarkers in leukemia and lymphoma.

Carl R. Kjeldsberg, MD
Chairman of the Board
Dr. Kjeldsberg is the chairman of the board at ARUP Laboratories and a professor of pathology and medicine at the University of Utah School of Medicine. He is a coauthor of Body Fluids and editor of Practical Diagnosis of Hematologic Disorders. Dr. Kjeldsberg is board certified in anatomic and clinical pathology, with a subspecialty certification in hematology, and a fellow of the American Society of Clinical Pathologists and the College of American Pathologists. He received his MD from the University of Edinburgh in Scotland.

Lester J. Layfield, MD
Medical Director, Histology Laboratory, Gross Dissection, Surgical Pathology, FNA Service
Dr. Layfield is vice president of the Anatomic Pathology Division and the medical director of the Histology Laboratory. He is also the head of the Division of Anatomic Pathology and a professor of pathology at the University of Utah School of Medicine. He received his MD from the University of California, Los Angeles, including a chief residency in surgical pathology and cytopathology, and is certified by the American Board of Pathology in anatomic and clinical pathology, with subspecialty certification in cytopathology. Dr. Layfield is the primary author of Cytopathology of the Head and Neck and Cytopathology of Bone and Soft Tissue Tumors.

Elaine Lyon, PhD
Medical Director of Molecular Genetics and Assistant Director of Sequencing
Dr. Lyon is the medical director of the Molecular Genetics, the assistant medical director of Sequencing, and an associate professor of pathology at the University of Utah. She received her PhD in medical genetics from the University of Alabama at Birmingham and continued with fellowship training in clinical molecular genetics at the University of Utah. She is certified in clinical molecular genetics by the American Board of Medical Genetics.

Rong Mao, MD
Co-Medical Director of Molecular Genetics
Dr. Mao is the co-medical director of Molecular Genetics at ARUP and an assistant professor of pathology at the University of Utah School of Medicine. Dr. Mao received her MD from Capital University of Medicine in Beijing, China, and her MS in molecular pathology from Beijing Union Medical College. She is certified by the American Board of Medical Genetics, with a subspecialty in clinical molecular genetics, and by the New York State Department of Health, with a subspecialty in genetic testing.

Sherrie L. Perkins, MD, PhD
Chief Medical Officer and Director of Laboratories
Dr. Perkins is the chief medical officer and director of laboratories at ARUP Laboratories and a professor of pathology at the University of Utah School of Medicine. Dr. Perkins held the C. Scott and Dorothy E. Watkins Endowed Chair honoring Ernst J. Eichwald, MD, at the University of Utah School of Medicine from 2002–2005. She has authored 47 book chapters and 120 referred manuscripts on hematopoietic diseases. Dr Perkins received her PhD in biochemistry from the University of Miami and her MD from Washington University in St. Louis, Missouri. Dr. Perkins is certified in anatomic pathology with a special certification in hematology by the American Board of Pathology. She completed her postdoctoral work while holding the NASA Fellowship Award, National Institutes of Health Fellowship Award, and the American Cancer Society Clinical Oncology Fellowship. She is the lead central reviewer for the Children's Oncology Group non-Hodgkin lymphoma clinical trials.

Patricia Revelo, MD, PhD
Renal Pathology
Dr. Revelo is the medical director of Renal Pathology and an assistant professor of pathology in the Department of Pathology at the University of Utah School of Medicine. She received her MD from the Central University of Ecuador School of Medicine and her PhD in pathology from the Federal University of Minas Gerais, Brazil. Dr. Revelo completed a fellowship in renal pathology from Vanderbilt University Medical Center and is certified by the American Board of Pathology.

Mohamed E. Salama, MD
Assistant Medical Director, Hematopathology
Dr. Salama is the assistant medical director of hematopathology at ARUP and an assistant professor of pathology at the University of Utah School of Medicine. Dr. Salama received his MD from Cairo University and completed a hematopathology fellowship at the University of New Mexico and a surgical pathology fellowship at Stanford University. He is certified by the American Board of Pathology in anatomic pathology and hematopathology. His areas of interest span all aspects of hematopathology, including morphology and specialized studies of bone marrow and lymph node.

Wade Samowitz, MD
Staff Pathologist, Anatomic Pathology
Dr. Samowitz is a staff pathologist for the Anatomic Pathology Division at ARUP, with a special interest in microsatellite instability testing. He is a professor of pathology at the University of Utah, specializing in gastrointestinal and hepatic pathology. He received his BA from Cornell University and his MD from SUNY Downstate. Dr. Samowitz completed residency training in anatomic pathology at the University of Chicago and fellowships in gastrointestinal pathology at Johns Hopkins Hospital. Dr. Samowitz is board certified in anatomic pathology. His research interests are in the genetics and molecular epidemiology of colorectal neoplasia.

Ronald L. Weiss, MD, MBA
Executive Vice President of Health Policy, External Affairs, and Corporate Communication
Dr. Weiss is the executive vice president of health policy, external affairs, and corporate communication at ARUP Laboratories. He served as ARUP’s chief medical officer and director of laboratories from 1993 until 2002, director of business development from 2002 until 2003, and president and chief operating officer from 2003 until 2009. Dr. Weiss is a professor of pathology at the University of Utah and is board certified in anatomic/clinical pathology, microbiology, and hematology by the American Board of Pathology. Dr. Weiss is past chairman of the board of the American Clinical Laboratory Association (ACLA) and president of the American Pathology Foundation (APF). He is a fellow of the College of American Pathologists (CAP) and the American Society of Clinical Pathologists (ASCP). Dr. Weiss received his MD from Creighton University and his MBA from the University of Utah.

• Autopsy Pathology and Brain Examination
• Bone and Soft Tissue Pathology
• Associated Tumor Markers and FISH
• Breast Pathology
• ER/PR
• Her-2/neu by IHC, FISH, and PCR
  
• HerceptTest™
• Cardiovascular Pathology
• Cytogenetics
• Associated FISH Probes
• Cytopathology
• Gynecologic (including liquid-based methodologies)
  
• Non-gynecologic (including breast ductal lavage)
  —Fine-Needle Aspiration Biopsy
  —Urinary Cytology (including UroVysion™ FISH)
  
• Dermatopathology
• Neoplastic and Inflammatory Diseases
  of the Skin
  
• Electron Microscopy
• Endocrine Pathology
• Gastrointestinal
• GIST
• Microsatellite Instability by IHC, PCR, and Sequencing
• Genitourinary Pathology
• Gynecological Pathology
• Head and Neck Pathology
• Hematologic Flow Cytometry
• Hematopathology
• Special Hematology (including osmotic fragility, TdT)
• Bone Marrow and Smear Interpretations
• Immunohistochemistry (more than 200 tests available, including diagnostic and prognostic markers)
  
• ISH

• Hepatic and Gastrointestinal Pathology
  
• Histopathology
• Routine and Microwave Surgical Processing
• Routine Special Stains (more than 40 available)
• Immunofluorescence
• Intraepithelial Nerve Fiber Density Analysis
  
• Molecular Diagnostics
• FISH [including 1p/19q d(1;19), t(11;14), N-myc, EWSR1, EGFR]
• PCR [including bcl-1/JH, t(11;14); bcl-1/JH, t(14;18); bcr/abl, t(9;22), MSI/HNPCC, JAK2(V617F)]
• RT-PCR [including PML/RARa t(15;17); TEL-AML1, t(12;21); RF-SBH; B-cell and T-cell probe hybridization (ISH, LPH); SYT-SSX t(18;x) translocations; PAX-FKHR translocations]
• Muscle Pathology [including staining such as ATP(pH9.4, DPNH (NADH)]
• Neuropathology
• Ophthalmologic Pathology
• Oral and Maxillofacial Pathology
• Pediatric and Placental Pathology
• Pulmonary Pathology
• Renal Pathology (including light microscopy, electron microscopy, and immunofluorescence studies)
• Research and Development
• Surgical Pathology
• Translational Pathology