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. 2019;81(3):59-65.
doi: 10.17116/patol20198103159.

[Revised WHO classification of tumors of hematopoietic and lymphoid tissues, 2017 (4th edition):lymphoid tumors]

[Article in Russian]
I L Polyatskin  1 , A S Artemyeva  1 , Yu A Krivolapov  2
Affiliations

[Revised WHO classification of tumors of hematopoietic and lymphoid tissues, 2017 (4th edition):lymphoid tumors]

[Article in Russian]
I L Polyatskin et al. Arkh Patol. 2019.

Abstract
in English, Russian

The paper is devoted to changes in the 4th edition of the WHO classification of lymphoid tumors in the 2017 revision, to the principles of the structure and features of the classification. It discusses changes in the identification of new clinical and morphological categories and in the abolition of some previously existing ones. New information about lymphoid tumors, their immunophenotypic and molecular characteristics of classification importance are briefly outlined. The absolute need for molecular genetic studies for the diagnosis of certain lymphoproliferative diseases is underlined. The characteristics of lymphoid pretumor states are given.

Статья посвящена изменениям 4-го издания Классификации ВОЗ лимфоидных опухолей в пересмотре 2017 г., принципам структуры и особенностям классификации. Обсуждены изменения, касающиеся выделения новых клинико-морфологических категорий и упразднения некоторых ранее существовавших. Кратко изложены новые сведения о лимфоидных опухолях, их иммунофенотипических и молекулярных характеристиках, имеющих классификационное значение. Подчеркнута абсолютная необходимость молекулярно-генетических исследований для диагностики некоторых лимфопролиферативных заболеваний. Дана характеристика лимфоидных предопухолевых состояний.

Keywords: B-cell lymphomas; T-cell lymphomas; classification of lymphoid tumors; lymphoblastic leukemia.

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