[Revised version of the 4th edition of the WHO classification of malignant lymphomas : What is new?] / Revidierte Fassung der 4. Ausgabe der WHO-Klassifikation maligner Lymphome : Was ist neu?
Pathologe
; 40(2): 157-168, 2019 Mar.
Article
em De
| MEDLINE
| ID: mdl-30019203
ABSTRACT
After 8 years, the WHO has now published the updated version of the 4th edition of the classification of hematopoietic and lymphoid tumors. This update provides a conceptual rewrite of existing entities as well as some new provisional entities and categories, particularly among the aggressive Bcell lymphomas. Important new diagnostic categories include the high-grade Bcell lymphomas, the large Bcell lymphoma with IRF4 rearrangement, and the Burkitt-like lymphoma with 11q aberrations. Of particular importance, new concepts concerning the taxonomy and classification of early lymphoid lesions or precursor lesions are included, such as the in situ follicular neoplasia or the in situ mantle cell neoplasia. In addition, the concept of indolent lymphoproliferations, such as breast-implant-associated anaplastic large cell lymphoma and the indolent Tcell lymphoproliferative disorder of the gastrointestinal tract, has been strengthened. Finally, diagnostic criteria for existing lymphoma entities have been refined.
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Linfoma
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De
Ano de publicação:
2019
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Article