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What to do when you suspect gastrointestinal lymphoma: a pathologist's perspective
Sandeep Gurbuxani1, John Anastasi
1Section of Hematopathology, Department of Pathology, University of Chicago, Chicago, Illinois, USA.
Summary
Accurate diagnosis of gastrointestinal (GI) lymphoma is key for treatment. This review highlights integrating morphology, immunophenotyping, and genetics for precise GI lymphoma classification.
Area of Science:
- Gastroenterology
- Hematology
- Pathology
Background:
- Primary gastrointestinal (GI) lymphomas are rare (1%-4% of GI malignancies), but secondary GI lymphoma involvement is frequent.
- Optimal treatment and prognostic stratification for GI lymphomas remain debated.
- Accurate tumor characterization is essential for addressing these clinical questions.
Observation:
- The World Health Organization classification integrates morphologic, immunophenotypic, and genotypic features for diagnosing hematologic malignancies.
- A representative case illustrates the diagnostic process for GI lymphoma.
- Clinical, radiologic, and endoscopic findings in GI lymphoma patients are discussed.
Findings:
- Integrating diverse data is crucial for accurate GI lymphoma diagnosis.
- The pathologist's role is central in suspecting and characterizing GI lymphoma.
- Understanding clinical presentations aids in identifying potential GI lymphoma cases.
Implications:
- Improved diagnostic accuracy can lead to better prognostic stratification.
- Enhanced characterization supports the development of optimal treatment strategies for GI lymphomas.
- This pathologist-centric review provides a framework for diagnosing GI lymphomas.