Diffuse large B cell lymphoma classification: Difference between revisions
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:*The majority of Diffuse large B-cell lymphoma cases fall into this category. | :*The majority of Diffuse large B-cell lymphoma cases fall into this category. | ||
:*Much research has been devoted to separating this still-heterogeneous group; such distinctions are usually made along lines of | :*Much research has been devoted to separating this still-heterogeneous group; such distinctions are usually made along lines of | ||
:*[[Morphology (biology)|cellular morphology]] | |||
:*[[gene expression]] | |||
:*[[Immunohistochemistry|immunohistochemical]] properties. | |||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
Revision as of 22:03, 20 August 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Classification
Diffuse large B-cell lymphoma encompasses a biologically and clinically diverse set of diseases,[1] many of which cannot be separated from one another by well-defined and widely accepted criteria.
The World Health Organization (WHO) classification system defines more than a dozen subtypes, each of which can be differentiated based on the
- Location of the tumour
- Presence of other cells within the tumour (such as T cells)
- Other illnesses related to Diffuse large B-cell lymphoma.
- One of these well-defined groupings of particular note is Primary mediastinal B-cell lymphoma, which arises within the thymus or mediastinal lymph nodes.
- B-cell lymphoma, unclassifiable
- a tumour may share many features intermediate between Diffuse large B-cell lymphoma and Burkitt lymphoma.
- a tumour may share many features intermediate between Diffuse large B-cell lymphoma and Hodgkin’s lymphoma.
- Diffuse large B-cell lymphoma, not otherwise specified
- When a case of Diffuse large B-cell lymphoma does not conform to any of the well-defined subtypes, and is also not considered unclassifiable.
- The majority of Diffuse large B-cell lymphoma cases fall into this category.
- Much research has been devoted to separating this still-heterogeneous group; such distinctions are usually made along lines of
- cellular morphology
- gene expression
- immunohistochemical properties.
References
- ↑ Alizadeh, Ash A.; Eisen, Michael B.; Davis, R. Eric; Ma, Chi; Lossos, Izidore S.; Rosenwald, Andreas; Boldrick, Jennifer C.; Sabet, Hajeer; Tran, Truc; Yu, Xin; Powell, John I.; Yang, Liming; Marti, Gerald E.; Moore, Troy; Hudson, James; Lu, Lisheng; Lewis, David B.; Tibshirani, Robert; Sherlock, Gavin; Chan, Wing C.; Greiner, Timothy C.; Weisenburger, Dennis D.; Armitage, James O.; Warnke, Roger; Levy, Ronald; Wilson, Wyndham; Grever, Michael R.; Byrd, John C.; Botstein, David; et al. (2000). "Distinct types of diffuse large B-cell lymphoma identified by gene expression
profiling". Nature. 403 (6769): 503–11. Bibcode:2000Natur.403..503A. doi:10.1038/35000501. PMID 10676951. line feed character in
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