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Aim: To present the results of work of National Medical Research Center of Treatment and Rehabilitation, reassigned for COVID-19 patients treatment during pandemic. Run-up methodology, procedures and working process organization are detailed., Materials and Methods: 354 COVID-19 patients were treated from 13.04.2020 to 10.06.2020 [age 59 (470) years, 56% women, body mass index 28.5 (24.932.2) kg/m2]. Patients were admitted at 8 (611) day of sickness. In-hospital stay was 16 (1420) days., Results: NEWS scale at the day of admittance was 2 (14); 2 (13) in patients discharged alive and 6 (47) in died patients, p=0.0001. So prognostic accuracy of NEWS scale was confirmed as very well (area under ROC-curve = 0.819). 69 patients (19.5%) were treated at intensive care department for 7 (413) days. 13 patients died, 11 of them had COVID-19 as direct or indirect cause of death. Total in-hospital mortality was 3.67%, in-hospital mortality of COVID-19 patients 3.1%. 17 healthcare workers (HCW), contacted with COVID-19 patients were infected (2.67%). 4 HCW, who had no direct contact with patients were also infected and 7 HCW were infected before the first patient was admitted. No one of them died., Conclusion: Complex tasks of healthcare organization during COVID-19 pandemic can be solved quickly with acceptable quality, characterized by low levels of patients; mortality and HCW infection.

Objective: To determine the capacities of multidetector computed tomography (MDCT) to diagnose tongue cancer., Material and Methods: Intravenous bolus contrast-enhanced MDCT was performed in 40 patients with tongue cancer diagnosed during complex clinical and instrumental examination. In all cases, the tumor had a structure of squamous cell carcinoma of varying grades. The results of MSCT were compared with the data of surgery and cytological and histological examinations. Tongue tumor accumulation of a contrast agent was qualitatively analyzed., Results: In 38 (85%) patients, the tongue tumor actively accumulated the contrast agent and was clearly differentiated in the presence of unaffected portions of the tongue and other adjacent anatomical structures, such as mouth floor, oropharynx, and larynx. Only in two cases, the tumor failed to significantly accumulate the contrast agent, which was associated with that there were massive decay areas in its structure. The sensitivity, specificity, and accuracy of MDCT in the diagnosis of tongue cancer were 95, 80, and 87.5%, respectively. MDCT could reliably differentiate changes in tongue cancer from non-tumor diseases. The result of constructing the curve of diagnostic errors became the following values: the area under the curve was 0.875 and the P-value (Asymptotic Sig.) was 0.0001., Conclusion: Intravenous bolus contrast-enhanced MDCT has a high diagnostic efficiency in identifying tongue cancer. The technique can establish the location of a tumor and to reveal the extent of the process to the nearby organs.