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Asian-variant intravascular large B-cell lymphoma
Derrick W Su1, Whitney Pasch1, Cristina Costales1
1Jane Anne Nohl Division of Hematology (Su, Mohrbacher) and the Hematopathology Section, Department of Pathology (Pasch, Costales), Norris Comprehensive Cancer Center and Hospital, University of Southern California, Los Angeles, California.
Proceedings (Baylor University. Medical Center)
|April 14, 2017
Summary
Intravascular large B-cell lymphoma (IVLBCL) is a rare cancer. This report details the second known case of the Asian variant of IVLBCL in an African American patient.
Area of Science:
- Hematology
- Oncology
- Pathology
Background:
- Intravascular large B-cell lymphoma (IVLBCL) is a rare, aggressive hematologic malignancy.
- It is characterized by lymphoma cell proliferation within blood vessel lumens across various organs.
- IVLBCL presents as a classical Western or hemophagocytic Asian variant, often specific to respective populations.
Observation:
- Diagnosis of IVLBCL is challenging, often requiring histopathological confirmation despite established diagnostic criteria.
- Treatment is difficult due to the disease's high mortality rate.
- Rituximab combined with cytotoxic agents shows promise as a therapeutic strategy.
Findings:
- The study presents the second documented case of Asian-variant IVLBCL occurring in an individual of African American ethnicity.
- This case challenges the typical ethnic presentation of IVLBCL variants.
- It highlights the importance of considering atypical presentations in diagnosing rare diseases.
Implications:
- This case expands the known ethnic spectrum for Asian-variant IVLBCL.
- It underscores the need for vigilance in diagnosing rare conditions, irrespective of typical demographic associations.
- Further research may explore genetic or environmental factors influencing IVLBCL variant presentation across diverse populations.