Voprosy onkologii
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The antiestrogen drug tamoxifen, which is widely used in adjuvant hormone therapy of breast cancer, presents certain risk of causing hyperplasia and endometrial carcinoma. Our clinical data on 1,969 breast cancer patients (stage I-III) (tamoxifen--947; control--1,022) showed a double rise in endometrial carcinoma risk in cases receiving hormone therapy. ⋯ Meanwhile, endometrial carcinoma and hyperplasia risk increased during a much longer exposure to tamoxifen and in combination with such factors as obesity, diabetes mellitus, uterine myoma and estrogen-type colpocytological response. Hence, breast cancer patients need to undergo dynamic follow-up of the endometrium including ultrasonic examination of the small-pelvis organs and cytological study of ecto- and endocervical smears and endometrial aspirates.
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Chronic myeloid leukemia (CML) is a hemopoietic condition caused by chromosomal translocation t(9;22)(q34;q11) or bcr-abl fusion gene. The predominant variants of bcr-abl oncogene rearrangement are b3a2 and b2a2. ⋯ Moreover, after therapy, chronic phase lasted in that group (p = 0.026) much longer. Overall survival in the group was significantly longer, too (p = 0.046).
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Biography Historical Article
[History of the Department of Oncology of the St. Petersburg Medical Academy of Postgraduate Education].