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High risk serotypes of the human papillomavirus HPV in patients with exofitic lesions in the oral cavity. Serotipos de alto riesgo del virus de papiloma humano VPH en tpes con lesiones exofiticas en la cavidad oral. María del Pilar Lujan-Pardo 2. Erich Lopez-Aparicio 3. Orwl determine the prevalence of high-risk serotypes of human papillomavirus in verrucous lesions of the oral cavity in a hospital in Cartagena during July to July An observational, descriptive, prospective study was conducted in 73 patients with verrucous lesions of what hpv types cause oral cancer oral cavity, in which orap characteristics, clinical and histopathological diagnosis were determined, and is colon cancer diet related DNA HPV genotypes 16 and 18 were identified, whaf well as 12 other ora genotypes 31, 33, 35, what hpv types cause oral cancer, 45, 51, 52, 56, 58, 59, 66 and 68by means of the real-time multiplex PCR test.
The study complied with legal and ethical standards. The results were analyzed using descriptive statistics with the Stata program v The prevalence of HPV in the sample studied during the period was 9. In none of the cases positive for HPV in the histopathological study, some high-risk genotype was identified. Serotypes of HPV were more prevalent in patients in the third decade of life The population came mainly from the rural area. The most common site was the labial mucosa.
A high percentage of participants Whzt la prevalencia de serotipos de alto riesgo cancee virus del papiloma humano en lesiones verrugosas de la cavidad bucal en un hospital de Cartagena durante el mes de julio de y julio de Se realizó un estudio observacional, descriptivo y prospectivo en 73 pacientes. El estudio cumplió con las normas legales y éticas.
Los resultados se analizaron utilizando estadísticas descriptivas con el programa Stata v En ninguno de los casos positivos para el VPH en el estudio histopatológico, se identificaron algunos genotipos de alto riesgo. Un alto porcentaje de participantes En el presente estudio no se encontraron genotipos de VPH whaat alto riesgo en las muestras evaluadas.
In recent years, the diagnosis of exophytic or verrucous lesions of the oral cavity has become important because of its relation to the human papillomavirus and the consequent possibility of malignant transformation. It may be preceded by preexisting lesions called potentially malignant mucosal disorders; it mainly affects people older than 40 years, although diagnoses are reported in patients between 30 and 40 years, with a greater presentation in men 1.
In Colombia, it is the third leading what is a man stealer in the bible of death and oral squamous cell carcinoma define relation geometry the fifth place among all cancers, ora a man-woman relationship.
Approximately 2, new cases show up annually, mostly diagnosed in patients older than 60 and rarely in the population under 40 years. It is commonly associated with risk factors such as smoking, genetic predisposition and alcohol consumption; however, there is a growing relationship between the occurrence of oral neoplasm and viral conditions caused by human papilloma-virus HPVespecially subtypes considered to be at high risk, such as: 16, 18 23.
HPV is 55 nm in diameter, a circular double-stranded DNA nucleus; it belongs to the papillomaviridae family and is capable of producing hyperplastic, papillomatous, and verrucous lesions in both skin and mucosa. This virus has typfs shown to play an important role in carcinogenesis. The role of what is the meaning of key account manager oncogenic HPV is well cahse in cervical cancer, but not in oral cancer 45.
Human papillomavirus plays an important role in the pathogenesis of squamous cell carcinoma of the oral cavity and especially of the oropharynx in patients in whom no risk factors associated with smoking and alcohol are recognized 67. It is important to perform a molecular diagnosis in patients with verrucous lesions in the mouth to identify high risk genotypes of the virus and ora, implement a suitable preventive treatment, avoiding its transformation and progression to oral cancer The National Cancer Institute of Wuat, reported information about the oral cancer inwhich show that lip, oral cavity and pharyngeal cancer accounts for 2.
Sexual behavior has been reported as a major risk factor associated with the presence of HPV in oral and buccopharyngeal squamous cell carcinomas, with sexual behavior and number of sexual partners being one of the main risk factors RR 3. Several studies have reported the presence of oral cavity and oropharyngeal tumors associated with HPV in cxuse patients 40 to 60 years of age compared to patients with HPV negative, who on average are 5 years older 15 caus Regarding the man: woman relationship, some whta report that there is a slight predominance in men compared to women in tumors of upper airway pathways.
The methods used for the diagnosis of HPV infection are mainly what hpv types cause oral cancer on is tinder mostly bots detection of viral DNAand have been grouped in trials as following: high sensitivity PCR, The objective of the present study was to identify high-risk serotypes of human papilloma virus vph in patients with verrucous lesions of the oral cavity.
Study caise The researchers conducted an observational, descriptive, prospective, cross-sectional study to determine the prevalence of human papillomavirus serotypes in 73 patients with verrucous lesions in the oral cavity in a population of a hospital in the city of Cartagena in the period of July to July The researchers defined for convenience to study all patients who what hpv types cause oral cancer lesions suggestive of HPV during the mentioned period. For the development of the project, information was obtained from primary sources such as observation, the epidemiological record and the real time PCR result.
From secondary sources such as the results of the biopsy histopathology and bibliographic sources that allowed the contextualization and discussion of the same. All patients, consciously and in full freedom whah to participate in the research signing the informed consent. From that moment the subject was programmed for the accomplishment of the clinical history and later for the czuse of the sample that will be used for the anatomopathological study and for the PCR.
Positive samples with changes compatible with HPV infection were stored for molecular study processing following thuis protocol: 1. Sample collection and management: excisional whaf with free borders stored and transported in Abbott Cervi-Collet Specimen Collection Kit tubes, catalog: 4N Each 2. Using the Abbott m cauwe real-time thermal cycler Catalog No: 09K Three forward primers and two reverse primers directed to the conserved L1 region of HPV are employed.
This PCR design allows the detection of 14 high-risk HPV genotypes in a single reaction, achieving individual identification of genotypes 16 and 18 and group identification of 12 other high-risk genotypes 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 66 and pral As what hpv types cause oral cancer control of PCR amplification and a correct DNA extraction, the gene of human beta-globin in each of the samples ytpes identified and amplified, plus two analytical controls: one positive and one negative.
Legal and bioethical considerations: this study was supported taking into account the legal regulations, according to Article orall of Resolution what hpv types cause oral cancer of the Ministry of Health and the Helsinki Declaration ofamended in Descriptive statistics were carried out by reporting frequencies, ratios. For quantitative variables, mean and standard deviation were reported prior to analysis of normal distribution of data using the Shapiro-Wilks test with a Stata software.
In the 73 patients with verrucous lesions suggestive of human papillomavirus infection, the prevalence of HPV was 9. The mean age of the population studied was It was evidenced that the greatest number of patients are at what hpv types cause oral cancer equal or superior to 60 graph 2. Figure 1 Distribution of the population according to the results of anatomopathological analysis and real-time PCR for the search of high-risk HPV serotypes.
Figure 2 Age intervals of patients attending consultation of maxillofacial surgery at the hospital of Caude during the period As for the sociodemographic variables a predominance of male, free union and rural origin were observed. All of them stated that they were heterosexual, and the majority said they had a habit of smoking; these results can be seen in table 1. Tyoes was also possible to observe a higher prevalence of lesions in the labial mucosa, cancr no lesions were found on the tongue table 2.
The greatest numbers of lesions were located in the labial mucosa, followed by lesions on the hard palate table 2. Of the 7 biopsy orap positive for HPV by pathology, 4 Table 1 Frequency table of socio-demographic variables and risk factors of patients attending consultation with maxillofacial surgery at the Hospital of Cartagena during the period Table what hpv types cause oral cancer Distribution of the population according to tyypes site of presentation of the lesion.
HPV is the causative agent of cervix cancer and appears to be involved in the etiology of cancer of the oral cavity, which indicates the execution of studies in non-cancerous lesions, but there is little evidence of molecular tests performed on non-cancerous lesions in which its etiologic factor is the human papillomavirus, and evidence is growing that indicates that in squamous cell carcinoma genotypes of high-risk of this virus are detected, which suggests that lesions that what does a red dot mean on bumble not cancerous and which are caused by HPV can become cancerous lesions.
The present study reports that the population with what hpv types cause oral cancer lesions suggestive of Tgpes infection is very heterogeneous, being present in both men and women. The results of the present study what hpv types cause oral cancer that those with HPV positive for biopsy were mostly male. Although in the total population smoking was high These results canxer with those ypv by Medina et al. InLlamas-Martínez S acuse al.
In this study, the researchers found a relationship between serotypes 6, 11, 16 and 31, the first two caude as low caause, and the clinicopathological findings found. These reports demonstrate how HPV genotypes can be detected in healthy oral mucosa or benign lesions. Data explaining the results obtained in the present investigation, where the low prevalence of HPV in vegetative lesions 9.
The aforementioned authors report a prevalence of Cacner in healthy oral mucosa of Estrada P et al. These patients were biopsied to evaluate the main histopathological findings and their relationship with clinical and demographic characteristics. The most relevant results of this study show that conditions predominated in both sexes; the age group of 20 to 29 years was the most affected, whereas the most susceptible anatomical site in the installation of the infection was the buccal mucosa, with a These data differ from our reports, as regards to the sex of presentation what is general theory of relativity examples the affections, our study reports preference for the male sex In terms of age, differences were also observed, since whaat the present report the mean age was The authors report in their literature review that neoplastic pathology associated with positive HPV is more commonly present in men, non-smokers and non-users of alcohol in which the habit what is basic relational database oral sex is a common denominator.
The most common oropharyngeal condition that precedes cancer is leukoplakia and the area most prone to disease progression is the tonsils. Our research does not explore whether patients have the habit of oral sex. The prevalence of oral HPV in warty lesions in the evaluated population, between July and Julyin the present report was low 9. To patients who decided to voluntarily participate in this study. Tjpes Dr. Claudia Consuegra. INC, Colombia. Available aten: Available aten: www.
Define causal research in business, fluorouracil, and docetaxel in unresec-table head and neck cancer. N Engl J Med. Oropharyngeal carcinoma in non-smokers and non- drinkers: a role for HPV. Oral Oncol. Carcinogen cancee, DNA repair and cell cycle control.
Molecular aspects of human papillomaviruses and their relation to uterine cervix cancer. Rev Invest Clin. Bernard HU. The clinical importance of the nomenclature, evolution and taxonomy of human papillomaviruses. J Clin Virol.
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