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The objective was to determine the presence and severity of placental apoptosis in pre-eclampsia. The study included 31 patients. All patients were divided into 2 groups: group I (treatment) included 11 pregnant women with preeclampsia, group II (control) - 20 healthy patients. Gene expression was evaluated with qPCR assay, and placental apoptosis was assessed by the TUNEL method. It was found that the level of placental apoptosis in preeclampsia patients was significantly higher compared to that of apparently healthy females, and in some cases stem villi are destroyed due to programmed cell death in the villous stroma and syncytiotrophoblast. In preeclampsia, oxidative stress leads to increased levels of apoptosis in placental villi. Both trophoblast cells and, in certain cases, cells of the villous stroma are subject to apoptosis.

Currently, the diagnosis of acute myeloid lekemia is based on the standards of morphological studies and immunophenotyping of the bone marrow. The manifestation of the disease can be accompanied by extramedullary lesions, which are difficult to verify. The article presents a case of diagnosis of acute myeloid lekemia in an elderly w oman, occurring with a leukemic lesion of the small in - testine. Morphological studies and immunophenotyping of small intestine biopsy revealed acute myeloid lekemia blast tumor cells. Difficulties of examination in such cases lead to late revealing of leukemic infiltrates of rare localization and significantly worsen the prognosis.