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T-cell rich B-cell lymphoma--a case report.
Radha Ramachandra Pai1, Urmila Niranjan Khadilkar, Muktha Ramesh Pai
1Department of Pathology, Kasturba Medical College, Mangalore, Karnataka. pairadharam@yahoo.co.in
Indian Journal of Pathology & Microbiology
|March 18, 2004
Summary
T-Cell-Rich B-Cell Lymphoma (TCRBCL) mimics other lymphomas, often leading to misdiagnosis. Immunohistochemistry is crucial for accurately identifying TCRBCL and differentiating it from Hodgkin
Area of Science:
- Hematology
- Oncology
- Pathology
Background:
- T-Cell-Rich B-Cell Lymphoma (TCRBCL) is a rare variant of diffuse large B-cell lymphoma.
- It is characterized by abundant reactive T-cells and a small population of neoplastic B-cells.
- TCRBCL can mimic Hodgkin's disease (HD) and peripheral T-cell lymphoma (PTCL).
Observation:
- A case report details a TCRBCL initially misdiagnosed as HD on cytology and histology.
- The presence of Reed-Sternberg (RS)-like cells contributed to the diagnostic confusion.
- Immunohistochemistry was essential in resolving the diagnostic dilemma.
Findings:
- Immunohistochemistry confirmed the diagnosis of TCRBCL by identifying the neoplastic B-cells amidst reactive T-cells.
- This highlights the importance of specific markers in differentiating TCRBCL from other lymphoid neoplasms.
Implications:
- Accurate diagnosis of TCRBCL is critical for appropriate patient management and treatment.
- This case underscores the diagnostic challenges posed by TCRBCL and the indispensable role of immunohistochemistry.
- Enhanced awareness and diagnostic protocols are needed for this uncommon lymphoma variant.