Селеновый статус женщин, больных раком молочной железы, в Забайкалье

The authors impart results of studies into selenium contents in blood, urine and various breast tissue segments in women with breast cancer living in Zabaikalye. As shown, the malignant lesions of the lacteal gland result in accumulation of selenium in tumour and decrease of its elimination with urine. The distribution of this element in organism and tumour tissue depends on the stage of the disease.