Клініко-гематологічна та імуноцитохімічна діагностика пухлин із зрілих В-,Т-лімфоцитів і натуральних клітин-кілерів в стадії лейкемізації

Вивчення клінічного перебігу, морфологічних, цитохімічних, іммунофенотипових особливостей злоякісно трансформованих лімфоїдних клітин у хворих на різні форми злоякісних лімфопроліферативних захворювань. Призначення комбінованої схеми поліхіміотерапії.

Рубрика Медицина
Вид автореферат
Язык украинский
Дата добавления 07.08.2014
Размер файла 49,1 K

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Thesis for a candidate's degree by speciality 14.01.07 - oncology. - R.E. Kavetsky Institute of Experimental Pathology, Oncology and Radiobiology, National Academy of Sciences of Ukraine, Kyiv, 2005.

The thesis deals with the study of the clinical course, morphological, cytochemical and immunophenotype features of the malignant transformed lymphoid cells in the patients with various forms of the malignant chronic lymphoproliferative diseases. 173 patients have been examined comprising those with B-cell chronic lymphocytic leukemia, B- and T-prolymphocytic leukemia, hairy cell leukemia, follicular lymphoma, lymphoma from B-cells of marginal and mantle areas in leukemization stage, mycosis fungoides/Sezary syndrome, lymphoproliferative diseases from large granulated lymphocytes (T- and NK cell variants). By differential diagnostic features of B-cell chronic lympholeukaemias and different forms of non-Hodgkin's malignant lymphomas at the stage of leukemization, the constant expression of CD23 and CD5 in tumor cell upon B-CLL and absence of expression of these antigenes on the substrate cells at leukemic stage of B-cell NML except lymphoma of mantle cells has been revealed. The immunocytological characteristics of the substrate cells are of the crucial diagnostic importance for the recognition of prolymphocytic leukaemia (PLL) of B- and T-cell origin, that are similar by morphological and clinical signs. In the case of more aggressive course of T-PLL, an application of combined scheme of polychemotherapy should be considered. The presence of tartrate-resistant acid phosphatase in transformed cells upon both nosological forms and the absence of CD25 and CD103 antigens that are markers of hairy-cell leukaemia upon lymphoma of marginal zone of spleen allows to carry out the differential diagnosis of these diseases and prescribe the adequate therapy. The major variants of leukaemias from large granulocytic lymphocytes - T-cell with more benign clinical course and NK-cell variant, upon which the application of chemotherapy immediately after diagnosis is recommended - are isolated.

Key words: chronic lymphoproliferative diseases, non-Hodgkin's malignant lymphomas in leukemization stage, morphology, cytochemistry, immunophenotype.

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