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B-cell lymphoma terminating in acute monoblastic leukemia
Internal Medicine (Tokyo, Japan)
|January 1, 1995
Summary
This study presents a rare case of B-cell lymphoma that transformed into acute monoblastic leukemia. The lymphoma cells switched lineage after chemotherapy, showing a shift in cell markers.
Area of Science:
- Hematology
- Oncology
- Cell Biology
Background:
- B-cell lymphoma is a malignancy originating from B lymphocytes.
- Acute monoblastic leukemia is a subtype of acute myeloid leukemia characterized by an overproduction of monoblasts.
Observation:
- A patient presented with clinical signs suggestive of angiotrophic lymphoma, with lymphoma cells proliferating in the liver sinusoids.
- The lymphoma cells were initially negative for CD11b, CD14, and CD36.
Findings:
- Following chemotherapy, the lymphoma cells converted into CD11b- and CD36-positive monoblasts.
- This suggests a potential lineage switch from B-cell lymphoma to acute monoblastic leukemia.
Implications:
- This case highlights the potential for B-cell lymphoma to undergo lineage plasticity.
- Understanding such transformations is crucial for refining diagnostic criteria and therapeutic strategies in hematologic malignancies.