Dysplasia Expert Witnesses

Dysplasia expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on dysplasia. The dysplasia expert witness listings on this page are typically from fields/areas of expertise such as: Pathology.

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Lysandra Voltaggio, MD

Nationally Recognized GI & Liver Expert

Kensington, Maryland
Pathology - Gastrointestinal Pathology, Liver Pathology, Hopkins, Surgical pathology, Board Certified, Cancer, inflammatory bowel disease, hepatocellular carcinoma, dysplasia, Barrett esophagus, perforation, colon, adhesions, gastric cancer, esophagus, anal cancer, anus
Dr. Lysandra Voltaggio is a nationally recognized gastrointestinal and liver pathologist with nearly 11 years of faculty experience at Johns Hopkins in the Division of GI and Liver Pathology. She is board-certified in Anatomic, Clinical, and Cytopathology, and currently serves as Staff Pathologist at The Joint Pathology Center and Adjunct Associate Professor at Johns Hopkins School of Medicine. Dr. Voltaggio has testified at trial and in deposition 11 times for both plaintiffs and defense attorneys. She is known for producing clear, well-reasoned expert reports and delivering unbiased, professional testimony. Attorneys consistently rely on her ability to explain complex pathology in logical, accessible terms that resonate with judges and juries. Her clinical expertise includes neoplastic and inflammatory diseases of the GI tract and liver, and she regularly provides second opinions on challenging cases nationwide. With a reputation for precision, objectivity, and collegiality, Dr....
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Mark G Ettel, MD

Gastrointestinal and Liver Pathologist

University of Rochester Medical Center

Rochester, New York
Pathology - Gastrointestinal, GI, Liver, Pancreas, Biliary, Frozen section, colon, stomach, intestine, bowel, biopsy, IBD, inflammatory bowel disease, rectum, anus, dysplasia, hepatitis, pancreas, colitis
Associate Director of Surgical Pathology (2025-present) and Director of Gastrointestinal Pathology (2021-present) at the University of Rochester Medical Center. Fellowship trained and clinically active in Gastrointestinal, Liver, and Pancreas pathology, and also clinically practice frozen section diagnosis and cardiac pathology. I have published peer-reviewed articles on a variety of topics in gastrointestinal and liver pathology including pancreatic adenocarcinoma, liver biopsy diagnosis, esophagitis, and colitis. I also have presented and moderated educational and research sessions on GI, liver, and general surgical pathology at national conferences including the United States and Canadian Academy of Pathology (USCAP) Annual Meeting and American Society for Clinical Pathology (ASCP).