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Anaplastic large cell lymphoma and its morphological variants
1Department of Pathology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA.
Cancer Surveys
|January 1, 1997
Summary
CD30+ ALK-positive Anaplastic Large Cell Lymphoma (ALCL) is a distinct T-cell neoplasm. Recognizing its variants is crucial due to its unique prognosis compared to other T-cell lymphomas and Hodgkin
Area of Science:
- Hematology
- Oncology
- Pathology
Background:
- CD30+ ALK-positive Anaplastic Large Cell Lymphoma (ALCL) is recognized as a distinct clinicopathological entity.
- It exhibits heterogeneous morphology and a characteristic t(2;5) translocation.
- ALCL presents a different natural history and prognosis compared to most other T-cell neoplasms and Hodgkin's disease.
Purpose of the Study:
- To highlight the importance of recognizing CD30+ ALCL and its morphological variants.
- To emphasize the need for further research into specific clinical management and therapies for ALCL subtypes.
Main Methods:
- Clinicopathological studies were conducted.
- Morphological analysis of ALCL cases was performed.
- Genetic analysis, including translocation t(2;5), was assessed.
Main Results:
- CD30+ ALCL demonstrates a better prognosis than many other T-cell neoplasms.
- The natural history and prognosis of CD30+ ALCL differ significantly from Hodgkin's disease.
- Morphological variants, such as HD-like ALCL and small cell predominant type, were identified.
Conclusions:
- Accurate identification of CD30+ ALCL and its variants is clinically significant due to its distinct characteristics.
- Further investigations are warranted to determine if specialized treatments are required for specific ALCL subtypes.