Harvard Gastrointestinal, Liver, and Pancreatic Pathology 2026

Advanced Gastrointestinal, Hepatobiliary & Pancreatic Surgical Pathology Update

Overview

The Harvard Gastrointestinal, Liver, and Pancreatic Pathology 2026 course is a comprehensive subspecialty pathology program designed to provide the latest updates in gastrointestinal, hepatobiliary, and pancreatic pathology. Conducted by expert faculty from Harvard Medical School, the course focuses on diagnostic surgical pathology, cytopathology, molecular pathology, and contemporary classification systems affecting diseases of the digestive tract, liver, gallbladder, and pancreas.

Held from May 6–8, 2026, this intensive educational program emphasizes practical diagnostic strategies, biopsy interpretation, differential diagnosis, WHO classification updates, biomarker utilization, molecular testing, and clinicopathologic correlation to improve diagnostic accuracy and patient management.

Through lectures, slide seminars, case-based discussions, and expert faculty interaction, participants gain practical tools that can be immediately integrated into routine pathology and gastrointestinal practice.

---

Course Features

• Harvard Medical School Faculty
• Gastrointestinal Surgical Pathology Review
• Hepatobiliary Pathology Updates
• Pancreatic Pathology Education
• WHO Classification Updates
• Molecular Pathology & Biomarkers
• Cytopathology Review
• Slide Seminars & Case Discussions
• Differential Diagnosis Algorithms
• Practical Biopsy Interpretation
• Ancillary Testing Applications
• Diagnostic Pitfalls & Pearls

---

Learning Objectives

Upon completion of this course, participants will be able to:

• Apply updates from the latest WHO classification of digestive system tumors.
• Recognize newly described gastrointestinal, hepatic, and pancreatic disease entities.
• Differentiate inflammatory, reactive, dysplastic, and neoplastic lesions.
• Utilize immunohistochemistry and molecular testing appropriately.
• Identify clinically relevant biomarkers used in targeted therapy.
• Interpret liver biopsy patterns using clinicopathologic correlation.
• Apply disease staging and grading systems correctly.
• Recognize common and uncommon gastrointestinal, hepatic, and pancreatic tumors.
• Develop systematic approaches to biopsy and resection specimen interpretation.

---

Gastrointestinal Pathology

Gastrointestinal Neoplasia

A major focus of the course is the diagnosis and classification of gastrointestinal tumors.

Topics Include

• Esophageal neoplasia
• Gastric neoplasia
• Small bowel tumors
• Colorectal neoplasia
• Neuroendocrine tumors
• Precancerous lesions

Participants review current diagnostic criteria and classification systems.

---

WHO Classification Updates

The course provides detailed reviews of the latest updates in:

Covered Areas

• Digestive system tumors
• Molecular classifications
• Emerging diagnostic entities
• Histologic criteria revisions
• Reporting recommendations

Faculty discuss the clinical significance of recent classification changes.

---

Pre-Neoplastic Lesions

Specialized sessions review:

Topics Include

• Dysplasia assessment
• Serrated lesions
• Barrett-associated neoplasia
• Gastric precursor lesions
• Colorectal precursor pathways

Participants learn practical approaches for identifying early neoplastic change.

---

Inflammatory Gastrointestinal Disorders

Non-Neoplastic Gastrointestinal Disease

The program explores inflammatory and reactive gastrointestinal disorders.

Topics Include

• Inflammatory bowel disease
• Microscopic colitis
• Autoimmune gastrointestinal disorders
• Infectious pathology
• Drug-induced injury

Faculty emphasize differential diagnosis and clinicopathologic correlation.

---

Differential Diagnosis in GI Biopsies

A systematic diagnostic approach is emphasized.

Covered Areas

• Pattern recognition
• Histologic algorithms
• Common diagnostic pitfalls
• Mimickers of neoplasia
• Ancillary testing applications

Participants develop structured approaches to difficult biopsy interpretation.

---

Molecular Pathology & Biomarkers

Precision Diagnostics

Modern molecular testing plays an increasingly important role in GI pathology.

Topics Include

• Molecular biomarkers
• Microsatellite instability (MSI)
• Mismatch repair testing
• HER2 assessment
• Predictive biomarkers
• Next-generation sequencing

Faculty discuss practical implementation of molecular diagnostics.

---

Hereditary Cancer Syndromes

Dedicated sessions review:

Topics Include

• Lynch syndrome
• Familial adenomatous polyposis
• Hereditary gastrointestinal cancers
• Screening strategies
• Genetic testing approaches

Participants learn current standards for identifying hereditary cancer syndromes.

---

Liver Pathology

Liver Biopsy Interpretation

One of the central themes of the course is systematic liver pathology evaluation.

Topics Include

• Pattern-based diagnosis
• Hepatitis
• Cholestatic disorders
• Fatty liver disease
• Autoimmune liver disease
• Drug-induced liver injury

Faculty emphasize integration of pathology with clinical findings.

---

Hepatic Tumors

Comprehensive reviews include:

Topics Covered

• Hepatocellular carcinoma
• Cholangiocarcinoma
• Hepatic adenomas
• Metastatic tumors
• Rare liver neoplasms

Participants review diagnostic criteria and differential diagnosis.

---

Liver Disease Staging & Grading

Sessions address:

• Fibrosis staging
• Inflammatory grading
• Prognostic assessment
• Reporting standards
• Clinical implications

Current staging systems and limitations are discussed.

---

Pancreatic Pathology

Pancreatic Neoplasms

A major component of the course focuses on pancreatic tumors.

Topics Include

• Pancreatic ductal adenocarcinoma
• Intraductal papillary mucinous neoplasms (IPMN)
• Mucinous cystic neoplasms
• Neuroendocrine tumors
• Acinar neoplasms

Faculty review modern classification and reporting approaches.

---

Pancreatic Biopsy Interpretation

Participants learn practical diagnostic approaches to:

Covered Areas

• Cytology interpretation
• Fine-needle aspiration specimens
• Histologic patterns
• Ancillary testing
• Differential diagnosis

Case-based examples illustrate common diagnostic challenges.

---

Gallbladder & Biliary Pathology

Specialized lectures review:

Topics Include

• Gallbladder dysplasia
• Gallbladder carcinoma
• Biliary tract neoplasms
• Inflammatory conditions
• Diagnostic pitfalls

The course highlights practical diagnostic strategies for biliary pathology.

---

Ancillary Techniques

Immunohistochemistry & Molecular Testing

The curriculum emphasizes proper utilization of:

Topics Include

• Immunohistochemical panels
• Molecular biomarkers
• Diagnostic algorithms
• Targeted therapy markers
• Limitations of ancillary studies

Faculty discuss evidence-based application of advanced diagnostic tools.

---

Educational Highlights

✔ Comprehensive GI pathology update

✔ Harvard expert faculty

✔ WHO classification updates

✔ Gastrointestinal tumor pathology

✔ Liver biopsy interpretation

✔ Pancreatic pathology review

✔ Molecular pathology integration

✔ Biomarker-based diagnostics

✔ Case-based slide seminars

✔ Practical daily diagnostic applications

---

Target Audience

This course is ideal for:

• Pathologists
• Gastrointestinal Pathologists
• Surgical Pathologists
• Cytopathologists
• Gastroenterologists
• Hepatologists
• GI Oncology Specialists
• Pathology Residents
• Pathology Fellows
• Pathology Assistants
• Laboratory Professionals
• Advanced Practice Providers

---

Why This Course Stands Out

✔ Harvard Medical School pathology education

✔ Comprehensive GI, liver, and pancreas coverage

✔ Strong focus on practical diagnosis

✔ WHO classification updates

✔ Modern molecular pathology integration

✔ Extensive biopsy interpretation guidance

✔ Covers both neoplastic and non-neoplastic disease

✔ Case-based slide review format

✔ Emphasis on clinically actionable biomarkers

✔ Applicable to both academic and community practice

4. Topics

1. 01 Barrett’s Esophagus and Associated Neoplasia

2. 02 Clinicians Perspective- Upper GI Tract

3. 03 Upper GI Tract Inflammatory Conditions

4. 04 Gastric Polyps and Precursor Lesions

5. 05 Celiac Disease and its Differential Diagnosis

6. 06 Slide Seminar on Upper GI Tract

7. 07 Biopsy Diagnosis of Colitis

8. 08 IBD Controversies and Challenges

9. 09 Colon Polyps and Polyposis

10. 10 Challenges in Colon Cancer Staging

11. 11 Endocrine Tumors of the Tubal Gut

12. 12 Slide Seminar on Infectious Disorders of the GI Tract

13. 13 GIST From KIT to Succinate Dehydrogenase

14. 14 Mesenchymal Tumors and Mesenchymal Polyps (Other than GIST)

15. 15 GI Lymphomas

16. 16 Molecular Diagnostics in GI Tract Malignancies

17. 17 Anal Pathology Overview and Update

18. 18 Appendiceal Tumors

19. 19 Intraoperative Consultations in GI Pathology

20. 20 Cytology and Small Biopsy Diagnosis of Pancreaticobiliary Tumors

21. 21 Surgical Pathology of Pancreatic Tumors

22. 22 Slide Seminar on Instructive Cases in Pancreatic Pathology

23. 23 Gallbladder and Biliary Tract Pathology

24. 24 Liver 1 Approach to Acute Hepatitis

25. 25 Liver 2 Porto-Sinusoidal Vascular Disease

26. 26 Clinicians Perspective on Liver Biopsies

27. 27 Autoimmune Hepatitis and Mimickers

28. 28 Liver 3 Cholestatic Disorders

29. 29 Hepatocellular Carcinoma and Mimickers