Academic Profile at a Glance 

• Graduated from the University of Kansas in 1992
• Graduated from Harvard Medical School in 1996
• Board Certification in Anatomic Pathology

• I bungee jumped over the Nile River and went gorilla trekking in Uganda

List of Achievements/Accomplishments

• Outstanding Teacher Award, University of Massachusetts Medical School, Worcester, MA 2002, 2004, 2005
• M. Desmond Burke, MD Award for Outstanding Contributions to Resident Education, Department of Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY 2010
• Arthur Purdy Stout Society of Pathology Annual Prize 2014

Publications (since 2010)

• “The Serrated Neoplastic Pathway”, Department of Pathology, New York University, New York, New York, February 2010
• “Diagnostic Challenges in the Evaluation of Appendiceal Neoplasia”, Grand Rounds, Department of Surgery, Weill Cornell Medical College, New York, New York, March 2010
• “Optimal Approach to Mucosal Biopsy Evaluation of the Gastrointestinal Tract: Who, What, When, Where, and Why,” Grand Rounds, Department of Medicine, Division of Gastroenterology and Hepatology, Weill Cornell Medical College, New York, New York, April, 2010
• Visiting Professor, Ball Memorial Hospital, Muncie, IN, August 23, 2010“IBD Case Presentation Clinicopathologic Correlation,” in Update in Gastroenterology, Hepatology, & Nutrition Post-Graduate Course, Columbia University College of Physicians & Surgeons and Weill Cornell Medical College, New York, New York, December 2010
• “Pitfalls in the Evaluation of Pancreatic Neoplasia”, The Big Apple Review and Update:  The Art and Science of Surgical Pathology Postgraduate Pathology Course, New York, New York, April, 2011
• “Extracolonic Manifestations of Lynch Syndrome: Evaluation of Patients with Heritable Cancer,” in Annual Update on Gastrointestinal Cancers: A Multidisciplinary Approach to Screening, Diagnosis, and Treatment, Weill Cornell Medical College, New York, New York, October, 2011
• “IBD Case Presentation Clinicopathologic Correlation,” in Update in Gastroenterology, Hepatology, & Nutrition Post-Graduate Course, Columbia University College of Physicians & Surgeons and Weill Cornell Medical College, New York, New York, December, 2011
• Visiting Professor, Methodist Hospital, Weill Cornell Medical College, Houston, Texas, April 5, 2011
• “Application of Ancillary Testing to Colorectal Cancer: Who, What, When, Where, and Why,” Grand Rounds, Department of Pathology, University of Texas Southwestern, Dallas, TX January, 2012
• “Mucosal Healing in Inflammatory Bowel Disease,” in Intestinal Immune Based Inflammatory Diseases Symposium, Columbia University College of Physicians & Surgeons and Weill Cornell Medical College, New York, New York, March, 2012
• 26) “Barrett Esophagus: Current Concepts and Controversies”, Department of Pathology, Memorial Sloan-Kettering Cancer Center Post-Graduate Course: The Surgical Pathology of Neoplastic Disease, New York, New York, April, 2013
• “Classification and Management of Serrated Colorectal Polyps”, Department of Pathology, Memorial Sloan-Kettering Cancer Center Post-Graduate Course: The Surgical Pathology of Neoplastic Disease, New York, New York, April, 2013
• 28) “Serrated Neoplasia: Facts and Fiction”, 13th Annual Current Topics in Gastrointestinal and Liver Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, October, 2013
• “AJCC Colorectal Cancer Staging: Putting the 7th Edition into Practice”, 13th Annual Current Topics in Gastrointestinal and Liver Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, October, 2013
• “IBD Challenging Cases,” in Update in Gastroenterology, Hepatology, & Nutrition Post-Graduate Course, Columbia University College of Physicians & Surgeons and Weill Cornell Medical College, New York, New York, December, 2013
• “Serrated Neoplasia: Diagnostic Challenges and Clinical Implications,” Department of Pathology, Yale University Medical School, New Haven, Connecticut, December, 2014

Editor of Multiple Books

1. Panarelli, N. C. and Yantiss, R. K.  Frozen Section Library:  Appendix, Colon, and Anus, Cagle, P. T., series ed. New York, NY, Springer Science & Business Media, 2010.
2. Yantiss, R. K.  Frozen Section Library:  Liver, extrahepatic biliary tree and gallbladder, Cagle, P. T., series ed. New York, NY, Springer Science & Business Media, 2011.
3. Yantiss, R. K.  Advances in Surgical Pathology: Colorectal Carcinoma and Tumors of the Vermiform Appendix, Cagle, P. T., series ed. Baltimore, MD, Lippincott Williams & Wilkins, 2014.
4. Yantiss, R. K., Lamps, L. W., and Panarelli, N. C. Diagnostic Pathology: Gastrointestinal Endoscopy. Salt Lake City, UT, Amirsys, Inc. 2014.
5. Lamps, L. W., Bellizzi, A. M., Frankel, W. L., Owens, S. R., and Yantiss, R. K. Neoplastic Gastrointestinal Pathology: An Illustrated Guide. New York, NY, Demos, 2015.
6. Montgomery, E. A., Yantiss, R. K., Snover, D. C., and Tang, L. H. AFIP Atlast of Tumor Pathology, 4th Series, Fascicle 26: Tumors of the Intestines. Washington, DC, American Registry of Pathology, 2017.
7. Yantiss, R. K., Panarelli, N. C., and Lamps, L. W. AFIP Atlases of Tumor and Non-Tumor Pathology, 5th Series, Fascicle 4: Non-neoplastic disorders of the gastrointestinal tract. Washington, DC, American Registry of Pathology, 2021. 

• 8th Annual Dr. Richard L. Kempson Diagnostic Pathology Course: Updates in Breast, GI, GU and GYN
• GI, Breast, Liver and Generalist Skin: Common Specimens with Common Surgical Pathology Problems
• Practical Tips for the Practicing Pathologist: Focus on Genitourinary, Pulmonary, Gynecologic and Hematopathology
• Solving Diagnostic Problems in GI, GU, Head and Neck and Liver Pathology
• Surgical Pathology Update: GI, GU, ENT and Soft Tissue
• Update in GI, GYN, Endocrine and Molecular Pathology

Past Lectures

• Appendiceal Inflammation: Things that Matter and Those That Don't (07/27/2023)
• Colorectal Cancer Biomarkers in 2023 (07/26/2023)
• GI Biopsies in the Immunosuppressed Patient (07/25/2023)
• When to Consider Ischemia As A Cause of Enterocolonic Injury (07/25/2023)
• Emerging Pathogens in Gastrointestinal Diseases (07/24/2023)
• Digital Slide Seminar: The Best Subspecialists Are Good Surgical Pathologists: A Potpourri of Avoidable Screw-Ups (06/21/2023)
• Patterns of Gastritis: Beyond H. Pylori (06/21/2023)
• What's New in the World of Sprue? (06/21/2023)
• How to Think About Colitis (06/20/2023)
• Making Sense of Esophagitis (06/20/2023)
• Colorectal Cancer Staging issues (02/28/2020)
• Ischemic Enterocolitis is a Great Mimic of Just About Everything (02/28/2020)
• Concerning Colorectal Polyps (02/27/2020)
• Whatever Happened to Appendiceal Adenomas and Pseudomyxoma Peritonei? (02/26/2020)
• Chronic Colitis: Would the Real IIBD Please Stand Up (02/26/2020)
• Evaluating for MMR Deficiency: Could the Real Lynch Syndrome Please Stand Up? (03/05/2019)
• Bugs, Drugs and Sprues: Things to Look for in Small Bowel Biopsies (03/05/2019)
• Serrated Polyps and Other Frustrating Bumps in the Colon (03/04/2019)
• 10 Tips for Diagnosing (But Not Over-Diagnosing) Gastric Cancer (03/04/2019)
• Patterns of Esophagitis: It's Not All GERD Anymore (03/04/2019)
• Another Classification Scheme for Appendiceal Mucinous Tumors? You Have Got To Be Kidding (03/02/2017)
• Things to Think About When IBD Is On the Table (03/02/2017)
• Worms, Wheezes, Weird Diseases: The Differential Diagnosis of Mucosal Eosinophilia (02/28/2017)
• "Flat and Blue" Once Was Sprue: How Did Things Get So Complicated? (02/27/2017)
• Difficult Colorectal Polyps: What Is It and What Do I need to Do About It? (02/27/2017)
• Memorable Mistakes and Lessons Learned: Open Confession is Good for the Soul (06/18/2015)
• Ancillary Testing to Colorectal Cancer: Who, What, When, Where and Why (06/18/2015)
• AJCC Colorectal Cancer Staging: Putting the 7th Edition into Practice (06/17/2015)
• Evolving Views of Barrett Esophagus: Controversies Even After All These Years (06/17/2015)
• Serrated Neoplasia: Facts and Fiction (06/17/2015)