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Predictors of disease recurrence after radical resection and adjuvant chemotherapy in patients with stage IIb-IIIa squamous cell lung cancer:A retrospective analysis

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World Journal of Experimental Medicine 2024年第1期14卷 44-57页

作者： Marina A Senchukova Evgeniy A Kalinin nadezhda n volchenko Department of Oncology Orenburg State Medical UniversityOrenburg 460000Russia Department of Thoracic Surgery Orenburg Regional Cancer ClinicOrenburg 460021Russia Department of Pathology P.A.Hertzen Moscow Oncology Research CentreNational Medical Research Centre of RadiologyMoscow 125284Russia

BACKGROUnD Lung cancer(LC)is a global medical,social and economic problem and is one of the most common cancers and the leading cause of mortality from malignant *** is characterized by an aggressive course,and in the presence of disease recurrence risk factors,patients,even at an early stage,may be indicated for adjuvant therapy to improve ***,combined treatment does not always guarantee a favorable *** this regard,establishing predictors of LC recurrence is highly important both for determining the optimal treatment plan for the patients and for evaluating its *** To establish predictors of disease recurrence after radical resection and adjuvant chemotherapy in patients with stage IIb-IIIa lung squamous cell carcinoma(LSCC).METHODS A retrospective case-control cohort study included 69 patients with LSCC who underwent radical surgery at the Orenburg Regional Clinical Oncology Center from 2009 to ***,all patients received adjuvant *** samples of the resected lung were stained with Mayer's hematoxylin and eosin and examined under a light *** and multivariate analyses were used to identify predictors associated with the risk of disease *** operating characteristic curves were constructed to discriminate between patients with a high risk of disease recurrence and those with a low risk of disease *** was analyzed using the Kaplan-Meier *** log-rank test was used to compare survival curves between patient *** were considered to be significant at Png predictors of a high risk of disease recurrence in patients with stage IIb-IIa LSCC were established:a low degree of tumor differentiation[odds ratio(OR)=7.94,95%CI=1.08-135.81,P=0.049];metastases in regional lymph nodes(OR=5.67,95%CI=1.09-36.54,P=0.048);the presence of loose,fine-fiber connective tissue in the tumor stroma(OR=21.70,95%CI=4.27-1

关键词： Lung cancer Lung squamous cell carcinoma Adjuvant chemotherapy Radical resection Disease recurrence risk factors

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Different types of tumor microvessels in stageⅠ-ⅢA squamous cell lung cancer and their clinical significance

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World Journal of Clinical Oncology 2024年第5期15卷 614-634页

作者： Marina A Senchukova Evgeniy A Kalinin nadezhda n volchenko Department of Oncology Orenburg State Medical UniversityOrenburg 460000Russia Department of Thoracic Surgery Orenburg Regional Cancer ClinicOrenburg 460021Russia Department of Pathology PA Hertzen Moscow Oncology Research CentreBranch of National Medical Research Radiological CenterMoscow 125284Russia

BACKGROUnD Lung cancer(LC)is the leading cause of morbidity and mortality among malignant *** the diagnosis and treatment of LC remains an urgent task of modern ***,we established that in gastric,breast and cervical cancer,tumor microvessels(MVs)differ in morphology and have different prognostic *** connection between different types of tumor MVs and the progression of LC is not well *** To evaluate the morphological features and clinical significance of tumor MVs in lung squamous cell carcinoma(LUSC).METHODS A single-center retrospective cohort study examined medical records and archival paraffin blocks of 62 and 180 patients with stage I-IIIA LUSC in the training and main cohorts,*** patients underwent radical surgery(R0)at the Orenburg Regional Cancer Clinic from May/20/2009 to December/14/*** sections were routinely processed,and routine Mayer's hematoxylin and eosin staining and immunohistochemical staining for cluster of differentiation 34(CD34),podoplanin,Snail and hypoxia-inducible factor-1 alpha were *** morphological features of different types of tumor MVs,tumor parenchyma and stroma were studied according to clinicopathological characteristics and LUSC *** analysis was performed using Statistica 10.0 *** and multivariate logistic regression analyses were performed to identify potential risk factors for LUSC metastasis to regional lymph nodes(RLns)and disease *** operating characteristic curves were constructed to discriminate between patients with and without metastases in RLns and those with and without disease *** effectiveness of the predictive models was assessed by the area under the *** was analyzed using the Kaplan-Meier *** log-rank test was used to compare survival curves between patient subgroups.A value of Pnsidered to indicate statistical *** Depending

关键词： Lung cancer Lung squamous cell carcinoma Tumor microvessels Tumor stroma Regional lymph node metastases Disease recurrence Disease prognosis

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Atomic Force Microscopy in Cytological Diagnosis of Tumors of Different Localization

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Journal of Physical Science and Application 2013年第6期3卷 345-352页

作者： Igor Reshetov Elena Slavnova Konstantin Kudrin nadezhda volchenko Faculty of Oncology and Plastic Surgery Institute for Advanced Studies of FMBA of Russia Moscow 125371 Russia Department of Microsurgery P.A. Hertzen Moscow Cancer Research Institute Moscow 125284 Russia Department of Cytology P.A. Hertzen Moscow Cancer Research Institute Moscow 125284 Russia

Objective cytomorphometric differential diagnostic criteria of breast, thyroid, stomach, and cervical cancer were obtained with the method of atomic force microscopy. Statistically significant increased ratio of the nucleus and the cytoplasm height and the nucleolus and the nucleus height is characteristically for cancer cells compared to normal cells. AFM method allows determining the viral changes in squamous cells by detecting the perinuclear area of enlightenment. AFM allows objectifying immunocytochemistry data by quantifying the height of immune complexes. Possibilities of quantitative immunocytochemistry with AFM are shown in the model of Her2/neu oncoprotein expression in breast cancer and thyroglobulin in papillary thyroid cancer.

关键词： Atomic Force Microscopy cancer immunocytochemistry.

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