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世界核心医学期刊文摘（皮肤病学分册） 2005年第1期1卷 54-55页

作者： forslund O. lindelf b. Hradil E. 崔荣 Department of Medical Microbiology Malmo University Hospital SE-205 02 Malmo Sweden

Genomes of human papillomaviruses (HPV) are common in biopsies from non-melanoma skin cancers but are also found on healthy skin and it is possible that HPV positivity in tumor biopsies by PCR maymerely reflect contamination of the lesion *** investigate this issue, 229 immunocompetent patients were tested for HPV DNA in swab samples collected on top of skin tumors and in biopsies of the same tumors, obtained after stripping with tape to remove superficial *** DNA was detected on top of 69%(159 of 229) of the lesions, and in 12%(28 of 229) of the stripped biopsies (p fference was seen for all four types of tumors *** keratosis had 79%(34 of 43) HPV positivity on top of lesions versus 19%(eight of 43) in biopsies; actinic keratosis had 83%(38 of 46) HPV positivity on top versus 11%(five of 46) in biopsies; basal cell carcinoma had 63%(69 of 109) on top versus 8%(nine of 109) in biopsies and squamous cell carcinoma had 58%(18 of 31) on top versus 19%(six of 31) in *** DNA is common in superficial layers of lesions, but is not necessarily present throughout tumors.

关键词：皮肤肿瘤人乳头瘤病毒活检标本皮肤型脂溢性角化病基底细胞癌拭子角化症光化性鳞状细胞癌

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器官移植受者患皮肤鳞状细胞癌的病死率和临床病理特征:瑞典的一项队列研究

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世界核心医学期刊文摘（皮肤病学分册） 2006年第9期2卷 20-21页

作者： lindelf b Jarnvik J. Ternesten-bratel A. 冯义国 Department of Dermatology Karolinska University Hospital SE- 171 76 Stockholm Sweden

Solid organ transplant recipients have a high incidence of cutaneous squamous cell carcinoma and often develop multiple and aggressive tumours. This retrospective study based on the Swedish organ transplant cohort, focuses on the deaths caused by cutaneous squamous cell carcinoma and aims to elucidate the clinicopathological features of these tumours. The cohort comprised 5931 patients who underwent organ transplantation during the period 1970 to 1997 and were registered in the Swedish In-patient Registry, Cancer Registry and Causes of-Death Registry. A total of 544 cutaneous squamous cell carcinomas in 201 patients were re examined. The dominating size of the tumours was 5- 10 mm and one-third of the tumours were removed by methods other than excision surgery. Well-differentiated tumours and Clark level IV were predominant. Seven patients died from their tumours, all of which were localized on the head. The principal site of metastasis was the parotid gland. The mean duration between date of transplantation and death was 10.4 years (range 6- 17 years). Mortality from cutaneous cell carcinoma was compared with that of the general population. There was a highly increased risk; standardized mortality ratio 52.2; 95% confidence interval 21.0- 107.6. However, the mortality rate in the Swedish cohort appears to be lower than what has been reported previously from other countries.

关键词：皮肤鳞状细胞癌标准化病死率临床病理特征器官移植队列研究移植受者瑞典皮肤细胞癌

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A Detailed Mathematical Analysis of the Vaccination Model for COVID-19

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Computer Modeling in Engineering & Sciences 2023年第5期135卷 1315-1343页

作者： Abeer S.Alnahdi Mdi b.Jeelani Hanan A.Wahash Mansour A.Abdulwasaa Department of Mathematics and Statistics Imam Mohammad Ibn Saud Islamic University(IMSIU)RiyadhSaudi Arabia Department of Mathematics Dr.Babasaheb Ambedkar Marathwada UniversityAurangabadIndia Department of Statistics Taiz UniversityTaizYemen Department of Statistics Dr.Babasaheb Ambedkar Marathwada UniversityAurangabadIndia

This study aims to structure and evaluate a newCOVID-19modelwhich predicts vaccination effect in theKingdom of Saudi Arabia(KSA)under Atangana-baleanu-Caputo(AbC)fractional *** the statistical aspect,we analyze the collected statistical data of fully vaccinated people from June 01,2021,to february 15,*** we apply the Eviews program to find the best model for predicting the vaccination against this pandemic,based on daily series data from february 16,2022,to April 15,*** results of data analysis show that the appropriate model is autoregressive integratedmoving average ARIMA(1,1,2),and hence,a forecast about the evolution of the COVID-19 vaccination in 60 days is *** theoretical aspect provides equilibrium points,reproduction number R0,and biologically feasible region of the proposed ***,we obtain the existence and uniqueness results by using the Picard-lindel method and the iterative scheme with the Laplace *** the numerical aspect,we apply the generalized scheme of the Adams-bashforth technique in order to simulate the fractional ***,numerical simulations are performed dependent on real data of COVID-19 in KSA to show the plots of the effects of the fractional-order operator with the anticipation that the suggested model approximation will be better than that of the established traditional ***,the concerned numerical simulations are compared with the exact real available date given in the statistical aspect.

关键词： COVID-19 Eviews program forecasting AbC fractional derivative Picard-lindel method Adams-bashforth technique

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