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Guanghui Chen Peiming Zheng Lan Gao Jing Zhao Ying Wang Wangsen Qin 《Journal of medical virology》2020,92(12):3743-3749
To evaluate the prevalence of human papillomavirus (HPV) infection and its genotype among women with cervical lesions in Henan Province, central China. A total of 1317 cervical scrapes from patients with cervical intraepithelial neoplasia 1 (CIN1) (n = 91), CIN2/3 (n = 466), and cervical cancer (CC; n = 760) were collected from 2013 to 2018, and then tested for HPV genotypes using polymerase chain reaction followed by flow-through hybridization assay. The prevalence of HPV was 62.64% for patients with CIN1, 86.91% for patients with CIN2/3%, and 89.21% for patients with CC. In total, the HPV prevalence was 86.56%, and the most common HPV type was HPV16 (58.77%) followed by HPV58 (10.33%), 18 (7.67%), 52 (6.61%), and 33 (5.54%). In this study, the high-risk HPV cumulative attribution rate of nine-valent vaccine coverage was markedly higher than that of bivalent or quadrivalent vaccine coverage in each histopathological category or overall (P < .001). Single HPV infection was the main infection category in each histopathological diagnosis, and the total infection rate was 65.83% (867/1317; P < .001). The prevalence of HPV16 or single HPV infection increased with the severity of cervical lesions (P < .001). HPV16, 58, 18, 52, and 33 may be predominant high-risk factors for cervical lesions in Henan Province. The nine-valent prophylactic HPV vaccine is more effective than a bivalent or quadrivalent vaccine for protecting women from CC in the region. 相似文献
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Successful treatment of recurrent vulvar intraepithelial neoplasia resistant to interferon and isotretinoin with cidofovir 总被引:3,自引:0,他引:3
Koonsaeng S Verschraegen C Freedman R Bossens M Kudelka A Kavanagh J Sittisomwong T DeClercq E Snoeck R 《Journal of medical virology》2001,64(2):195-198
Vulvar intraepithelial neoplasias are difficult to eradicate completely without extensive surgical intervention. Cidofovir, a deoxycytidine monophosphate analog, may have a therapeutic role in this disease. A 43-year-old woman with a 20-year history of genital warts presented with extensive vulvar intraepithelial neoplasia III, and refused surgical resection. Topical cidofovir 1% in Beeler base completely eradicated the lesion. Successive treatment applications, however, were necessary. Cidofovir is a promising topical antiviral compound for HPV induced vulvar intraepithelial neoplasia. 相似文献
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目的 探讨人乳头状瘤病毒(HPV)在外阴上皮内瘤变(VIN)中的感染情况及与p53、Ki-67蛋白表达的关系.方法 用原位杂交法(ISH)检测HPV6/11、16/18、31/33型在55例VIN及10例外阴正常皮肤组织中的表达.同时用免疫组化SP法检测p53、Ki-67蛋白的表达.结果 HPVl6/18、31/33、6/11在VINⅢ中的阳性表达率分别为60%(6/10)、20%(2/10)和0%(0/10);在VIN Ⅱ中为53.57%(15/28)、39.28%(11/28)和10.71%(3/28);在VIN Ⅰ中为17.65%(3/17)、5.88%(1/17)和29.41%(5/17);正常对照组没有表达.p53、Ki-67蛋白在VINHI中的阳性表达率分别为70%(7/10)和90%(9/10);在VINⅡ中为78.57%(22/28)和78.57%(22/28);在VIN Ⅰ中为64.71%(11/17)和35.29%(6/17);在正常对照组没有表达.经统计学分析,VINⅢ、Ⅱ组中的HPVl6/18感染与正常组差异有显著性(P<0.05);VINⅡ组的HPV31/33感染与正常组差异有显著性(P<0.05);VINⅢ、Ⅱ组p53、Ki-67及VIN Ⅰ组p53阳性表达率与正常组差异有显著性(P<0.05);VIN Ⅰ组Ki-67阳性表达率与VINⅡ组相比差异有显著性(P<0.05).结论 VIN的发生与HPV感染有关,尤其与HPVl6/18、31/33型感染密切相关.VIN与外阴癌感染的HPV型别相同.在VIN的发生发展中,HPV感染以及p53突变可能起重要的作用. 相似文献
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Ili CG Brebi P López J García P Leal P Suarez E Roa JC 《Journal of medical virology》2011,83(5):833-837
Infection with the human papillomavirus (HPV) is responsible for 99.7% of cervical cancers, the second most prevalent neoplasia in women worldwide and the fifth leading cause of death by cancer in this population. In Chile, the incidence rate is 14.4 cases per 100,000 women per year and it is considered a significant public health problem. The natural history of cervical cancer begins gradually from low-grade and high-grade squamous intraepithelial lesions to an invasive disease. In this study the frequency of HPV types was determined by HPV genotyping with reverse line blot hybridization in 200 cytobrushes of women with preneoplastic lesions in a high-risk population. HPV DNA was found in 89% of the lesions (83.3% of low-grade squamous intraepithelial lesions and 93.6% of high-grade squamous intraepithelial lesions). Multiple HPV infections were found in 14.4% and 15.5% of low- and high-grade lesions, respectively. HPV 16 was the most frequent genotype in single infections, followed by HPV 18. These results show that most of the preneoplastic lesions of the cervix (60%) were associated with HPV 16 and/or HPV 18, supporting the implementation of an HPV vaccination program in this high-risk population. 相似文献
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Moderate variation of the oncogenic potential among high-risk human papillomavirus types in gynecologic patients with cervical abnormalities 总被引:1,自引:0,他引:1
Szoke K Sápy T Krasznai Z Hernádi Z Szládek G Veress G Dillner J Gergely L Kónya J 《Journal of medical virology》2003,71(4):585-592
The oncogenic potential of human papillomavirus (HPV) infection was assessed by following the disease course in 455 patients who had had a routine diagnostic Hybrid Capture HPV test due to squamous cell abnormalities of the uterine cervix as detected by cytology and/or colposcopy. At entry, 308 patients had cytologic atypia classified as P3 by the Papanicolau classification, 168 had a positive high-risk HPV test, and 23 were infected only with low-risk HPV. The patients were followed-up using the patient registry until the endpoint of histologically diagnosed cervical intraepithelial neoplasia (CIN). High-grade CIN was diagnosed in 75 surgical biopsies. High-risk HPV infection (relative risk: 76.8 CI(95): 23.7-249.5), cytologic atypia (RR: 16.2 CI(95): 3.9-66.6), and age above 35 (RR: 1.99 CI(95): 1.26-3.16) were independent risk factors for high-grade CIN, while the viral load did not predict oncogenic progression (P = 0.47). After PCR-RFLP typing, the high-risk types were classified into groups as follows: (1) types 16 and 18, (2) types 45, 52, and 56, (3) types 31, 33, 35, 51, and 58. The relative risks of high-grade CIN were 119.1 (CI(95): 36.2-390.9) for group 1, 44.4 (CI(95): 9.8-201) for group 2, and 39.7 (CI(95): 10.9-144.8) for group 3, respectively. The risk ratios between the groups of high-risk types were found to differ at most by a factor of 2.98 (corrected P value: 0.007) indicating that the oncogenic potential varies moderately within the high-risk group of HPVs. 相似文献
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High-risk human papillomavirus (HR-HPV) DNA testing has emerged as another testing modality for women with mildly cytologic abnormalities. We conducted a two-year follow-up study of 108 women with mildly abnormal cervical cytology for detection of CIN 2/3. A cervical swab sample was obtained for HPV genotyping by a HPV blot and histologic follow-up results were correlated with HR-HPV types. Of the 108 cases, 93 (86.1%) were positive for HR-HPV DNA. HPV-16 was detected in 45.1% of patients. CIN grade 2 or 3 was confirmed in 25 (23.1%) of the 108 women during the two-year follow-up period. The two-year cumulative incidence rates of CIN 2/3 were 38.6% (17/44) among HPV-16- positive women, but only 5.6% among HR-HPV-positive women without HPV-16 or HPV-18. The sensitivity of a positive HPV-16 test for CIN 2/3 was 68.0%, the specificity was 67.5%. Our results demonstrated that the type-specific HPV-16 test increased sensitivity of detecting high-grade cervical dysplasia for women who have mildly cytologic abnormalities. The implication of the present findings is that HPV genotyping may identify women with the greatest risk of high-grade CIN. 相似文献
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Type‐specific human papillomavirus prevalence in cervical intraepithelial neoplasia and cancer in Iran
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Nasrin Heydari Mahin A. Oskouee Tayebeh Vaezi Zabihollah Shoja Heidar A. Esmaeili Rasool Hamkar Shohreh Shahmahmoodi Somayeh Jalilvand 《Journal of medical virology》2018,90(1):172-176
In Iran, human papillomavirus (HPV) vaccination is not currently included in the national vaccination program and there are no comprehensive approaches to cervical screening program. Regional data on distribution of HPV types in women is important to predict the impact of current HPV vaccines. Although several studies on distribution of HPV types in cervical precancer and cancer have been conducted in Iran, in most of them HPV positive samples were subjected to specific‐primer genotyping (mainly 16 and 18), and leaving the other HPV genotypes almost undetermined. Therefore, the present study aimed to investigate the distribution of HPV types in cervical neoplasia from West and Northwest of Iran. A total of 112 women with atypia, cervical intraepithelial neoplasia, and invasive cervical cancer were included. A PCR assay was performed in all samples to detect the presence of the HPV genome using the GP5+/6+ L1 consensus primer set. All HPV positive samples were subjected for sequencing. In overall, HPV prevalence was 20% in atypica, 44.5% in cervical intraepithelial neoplasia I, 92.3% in cervical intraepithelial neoplasia II‐III, and 98.2% in invasive cervical cancer. The most frequent HPV type was HPV 16 (79.2%), which was followed by HPV types 18, 6, and 33 at the frequencies of 6.5%, 5.1%, and 2.7%, respectively. The least HPV types were found to be 31, 45, 53, 58, and 66. In conclusion, this study shows that the current HPV vaccines could have great impact to reduce the burden of cervical cancer in Iran. 相似文献
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Ebba Abate Abraham Aseffa Muntasir El‐Tayeb Ibrahim El‐Hassan Lawrence Yamuah Wude Mihret Liku Bekele Senait Ashenafi Nadia El‐Dawi Meseret Belayneh Ahmed El‐Hassan Howard Engers 《Journal of medical virology》2013,85(2):282-287
Cervical cancer is the most frequent female malignancy in most developing countries. Previous studies have demonstrated a strong association of human papillomavirus (HPV) infection with dysplasia and carcinoma of the uterine cervix. The objective of this study was to identify the prevailing HPV genotypes responsible for the development of cervical cancer among women in Ethiopia and the Sudan. A molecular characterization of HPV was done on 245 paraffin embedded cervical biopsy samples collected from the two countries. Amplification of HPV and subsequent genotyping was done using SPF10 primers and Line probe assay. Of samples collected from Ethiopian patients, 93% (149/160) and 13% (21/160) had high risk and low risk HPV genotypes, respectively. Among samples collected from the Sudan, 94% (80/85) harbored high risk and 11.7% (10/85) low risk HPV genotypes. Human papillomavirus 16 was the most frequent genotype identified in samples from Ethiopia (91%, 136/149) and the Sudan (82.5%, 66/80). HPV 52, 58, and 18 were the second, third and fourth common genotypes identified in Ethiopia, whereas HPV 18, 45, and 52 were the second, third, and fourth genotypes identified in samples collected from the Sudan. Thus, individuals living in different geographical localities should receive vaccines based on the specific genotypes circulating in the area and a vaccine targeting HPV 16, 18, 45, 52, and 58 may be optimal for the control of cervical cancer in the two countries. J. Med. Virol. 85:282–287, 2013. © 2012 Wiley Periodicals, Inc. 相似文献
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Thazin Hlaing Yuk‐Ching Yip Karry L.K. Ngai Heong‐Ting Vong Sio‐In Wong Wendy C.S. Ho Sellma L.S.C. Batalha Paul K.S. Chan 《Journal of medical virology》2010,82(9):1600-1605
Macao is a densely populated city situated in East Asia where a relatively high prevalence of human papillomavirus (HPV) types 52 and 58 has been reported in women with invasive cervical cancer. To provide data for a population‐specific estimation on the impact of HPV vaccines, paraffin‐embedded tissues collected from women with invasive cervical cancer or cervical intrapeitheilal neoplasia grade 2 or 3 confirmed histologically were examined for HPV using the INNO‐LiPa kit. Of the 35 HPV‐positive patients with invasive cancer, one HPV type was detected in 68.6%, and 31.4% were co‐infected with more than one HPV type. Overall, HPV 16, HPV 18, HPV 52, and HPV 54 were the most common types found respectively in 57.1%, 17%, 11.4%, and 8.5% of patients with invasive cervical cancer. Among the 59 HPV‐positive patients with cervical intraepithelial neoplasia grade 2/3, 55.9% hardbored one HPV type, and 44.1% had co‐infections. The common HPV types found included HPV 16 (52.5%), HPV 52 (23.7%), HPV 58 (18.7%), and HPV 33 (17%). Although HPV 11 (a low‐risk type) was also found commonly in invasive cervical cancers (14.3%) and cervical intraepithelial neoplasia grade 2/3 (15.3%), the fact that they all existed as co‐infections with another high‐risk type suggested HPV 11 was not the cause of the lesion. The current vaccines targeting HPV 16/18 are expected to cover 62.9–74.3% of invasive cervical cancers and 32.2–55.9% of cervical intraepithelial neoplasia 2/3 in Macao. Widespread HPV vaccination is expected to reduce substantially the disease burden associated with cervical neoplasia in Macao. J. Med. Virol. 82:1600–1605, 2010. © 2010 Wiley‐Liss, Inc. 相似文献
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Klug SJ Hukelmann M Hollwitz B Düzenli N Schopp B Petry KU Iftner T 《Journal of medical virology》2007,79(5):616-625
Incidence and mortality rates of cervical cancer are higher in Germany than in other Western European countries. Type-specific human papillomavirus (HPV) distribution was investigated for the first time in Germany in an epidemiological study including 8,101 women. Women above the age of 30 years, self-referring for cervical cancer screening, were enrolled in two study centers in Hannover (Northern Germany) and Tübingen (Southern Germany). Participants were screened by the Pap smear and the hybrid capture 2 (HC2) test using the high-risk probe. All samples that were positive by the HC2 test were genotyped using the prototype PGMY09/11 PCR line blot assay. Most women in the study population had a negative Pap smear (96.7%). Prevalence of high-risk type HPV detected by HC2 was 6.4% and prevalence of carcinogenic types detected by PGMY09/11 was 4.3%. Of the PGMY09/11 PCR-positive women, 70.2% had a single infection, 28.1% had multiple infections and 1.7% remained uncharacterized. 32 different HPV types were detected using PGMY09/11 PCR. HPV 16, 31, 52, 51, 18, and 45 were the most common carcinogenic types in the study population. Among women with histologically confirmed high-grade lesions HPV 16, 45, 58, 18, 31, 33, and 52 were the predominant types. These results provide valuable information for the management of HPV infections in Germany, both in terms of future strategies of screening and vaccination. 相似文献
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Ohtomo R Sekine S Taniguchi H Tsuda H Moriya Y Kushima R 《Pathology international》2012,62(5):356-359
Neuroendocrine carcinoma (NEC) of the anal canal is exceedingly rare and its histogenesis is poorly understood. We present a case of small-cell NEC of the anal canal in a 70-year-old woman. The NEC appeared as a submucosal tumor at the dentate line and was associated with squamous intraepithelial neoplasia (SIN). The NEC was positive for neuroendocrine markers including synaptophysin, chromogranin A and CD56, whereas the SIN component did not express any of these markers. Both components exhibited p16 overexpression. A PCR analysis revealed that both the SIN and NEC components were positive for human papillomavirus (HPV) 18 DNA. Our observations imply that SIN may be a precursor of anal canal NEC and that HPV18 may play an important role in the histogenesis of anal canal NEC, similar to its role in cervical NEC. 相似文献
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Coutlée F Ratnam S Ramanakumar AV Insinga RR Bentley J Escott N Ghatage P Koushik A Ferenczy A Franco EL 《Journal of medical virology》2011,83(6):1034-1041
Infection with high‐risk human papillomavirus (HPV) causes cervical intraepithelial neoplasia (CIN) and invasive cervical cancer (ICC). The distribution of HPV types in cervical diseases has been previously described in small studies for Canadian women. The prevalence of 36 HPV genotypes in 873 women with CIN and 252 women with ICC was assessed on cervical exfoliated cells analyzed with the Linear Array (Roche Molecular System). HPV16 was the most common genotype in CIN and ICC. The seven most frequent genotypes in order of decreasing frequency were HPV16, 51, 52, 31, 39, 18, and 56 in women with CIN1, HPV16, 52, 31, 18, 51, 39, and 33 in women with CIN2, HPV16, 31, 18, 52, 39, 33, and 58 in women with CIN3, and HPV16, 18, 45, 33, 31, 39, and 53 in women with ICC. HPV18 was detected more frequently in adenocarcinoma than squamous cell carcinoma (P = 0.013). Adjustment for multiple type infections resulted in a lower percentage attribution in CIN of HPV types other than 16 or 18. The proportion of samples containing at least one oncogenic type was greater in CIN2 (98.4%) or CIN3 (100%) than in CIN1 (80.1%; P < 0.001 for each comparison). Multiple type infections were demonstrated in 51 (20.2%) of 252 ICC in contrast to 146 (61.3%) of 238 women with CIN3 (P < 0.001). Adjusting for multiple HPV types, HPV16 accounted for 52.1% and HPV18 for 18.1% of ICCs, for a total of 70.2%. Current HPV vaccines should protect against HPV types responsible for 70% of ICCs in Canadian women. J. Med. Virol. 83:1034–1041, 2011. © 2011 Wiley‐Liss, Inc. 相似文献
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Marais DJ Best JM Rose RC Keating P Soeters R Denny L Dehaeck CM Nevin J Kay P Passmore JA Williamson AL 《Journal of medical virology》2001,65(1):149-154
This study investigated the relationship between human papillomavirus type 16 (HPV-16) antibodies detected in oral fluid from women with cervical neoplasia, their HPV-16 antibody seroprevalence, and their cervical HPV-16 DNA presence. Cervical HPV-16 DNA was detected by polymerase chain reaction in 43.2% (35/81) of these women. The prevalence of IgG and IgA antibodies to HPV-16 virus-like particles (VLP-16) in oral fluid and was investigated by enzyme-linked immunosorbent assay. Anti-VLP-16 IgA antibodies were detected in oral fluid from 54.3% (44/81) of women with cervical neoplasia, compared with 8% (3/36) in controls (P = 0.000002). Anti-VLP-16 IgG was detected in oral fluid from 43.2.9% (25/72) and 13.3% (4/30; P = 0.029), respectively. Women who were HPV-16 DNA positive at their cervical lesion, displayed an oral fluid anti-VLP-16 IgA prevalence of 60.7% (17/28) and HPV-16 DNA negative women an oral fluid anti-VLP-16 IgA prevalence of 50% (20/40; P = 0.38). Oral fluid anti-VLP-16 IgG prevalence in HPV-16 DNA positive women was 28.6% (8/28) compared with 40% (16/40) in oral fluid from HPV-16 DNA negative women (P = 0.3). Amongst HPV-16 DNA positive women, the anti-VLP-16 IgG seroprevalence was 75% (21/28) and IgA seroprevalence 35.7% (10/28) and for the HPV-16 DNA negative women these values were 60% (24/40) and 32.5% (13/40), respectively. Oral IgA antibody testing proved no more sensitive than serum antibody detection for the determination of HPV infection but could be useful as a non-invasive screening method for women with cervical neoplasia and for estimating the mucosal antibody response to HPV vaccines. 相似文献
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AIM: To analyse p53 immunoreactivity in 207 biopsy specimens of lichen sclerosus (LS) and "differentiated vulvar intraepithelial neoplasia" (d-VIN), a postulated precursor lesion for LS-associated vulvar squamous cell carcinoma (SCC), which is characterized by atypical basal keratinocyte proliferations with p53+ basal/suprabasal keratinocyte nuclei. METHODS AND RESULTS: Forty early, 78 classic, 30 hypertrophic vulvar LS, 26 paediatric vulvar and penile LS, 33 vulvar LS-associated SCC and 30 vulvar/penile control specimens were examined for p53 expression and the presence of d-VIN. Nuclear p53 staining was observed in 175/207 LS biopsy specimens. Eighty percent of early and 69% of paediatric LS showed discontinuous/continuous p53 staining in basal keratinocytes. Classic LS showed no p53 staining in 17%, discontinuous basal keratinocyte staining in 20%, continuous basal keratinocyte staining in 58%, basal/suprabasal staining in 5%. Hypertrophic LS revealed basal keratinocyte staining in 32% and basal/suprabasal staining in 61%. p53 staining was associated with sclerosis of blood vessels and dermis, lymphoid infiltrates, vasculitis and hypertrophic LS. d-VIN was seen in 2% of LS alone and in 24% of LS-associated SCC. CONCLUSION: d-VIN in LS is rare, while p53 staining is common and best explained as an ischaemic stress response due to poor oxygenation, vasculitis and inflammation rather than as a marker of a precancerous lesion in LS. 相似文献
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Benevolo M Terrenato I Mottolese M Marandino F Muti P Carosi M Rollo F Ronchetti L Mariani L Vocaturo G Vocaturo A 《Histopathology》2010,57(4):580-586
Benevolo M, Terrenato I, Mottolese M, Marandino F, Muti P, Carosi M, Rollo F, Ronchetti L, Mariani L, Vocaturo G & Vocaturo A(2010) Histopathology 57 , 580–586 Comparative evaluation of nm23 and p16 expression as biomarkers of high‐risk human papillomavirus infection and cervical intraepithelial neoplasia 2+ lesions of the uterine cervix Aims: To investigate the clinical role of nm23 expression in identifying both high‐risk human papillomavirus (HR‐HPV) and high‐grade cervical lesions or carcinomas [cervical intraepithelial neoplasia 2+ (CIN2+)], and to compare it with p16 overexpression, as this latter biomarker has already been reported widely in HR‐HPV infected cervical lesions. Methods and results: Immunohistochemical evaluation of nm23 and p16 in 143 cervical biopsy specimens including negative, low‐ and high‐grade lesions and squamous carcinomas (SC). HR‐HPV testing by Digene hybrid capture 2 (HC2) and polymerase chain reaction (PCR) on the cervico‐vaginal samples of the same patients. In detecting CIN2+, p16 was significantly more sensitive and specific than nm23 (96.3% versus 81.8% and 66% versus 36.4%, respectively, both P < 0.0001). Concerning HR‐HPV detection by HC2, p16 showed a significantly higher specificity than nm23 (82% versus 47%, P <0.0001), although the sensitivities were comparable (71% versus 76%). We found a significantly direct correlation between nm23 and HC2 findings. However, nm23 expression did not correlate with HPV16/18 infection. In contrast, we observed a significant association between p16 overexpression and HPV16/18 genotypes. Conclusions: We confirm the diagnostic value of p16 overexpression. Moreover, despite in vitro data regarding the interaction with the HPV‐E7 protein, nm23 does not appear to be a more useful biomarker than p16 in identifying CIN2+ or HR‐HPV infection. 相似文献
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Xiao Tang Terri E. Jones Wei Jiang Marshall Austin Yanmei He Lei Li Lingling Tong Cheng Wang Kaixuan Yang Rutie Yin Chengquan Zhao 《Journal of medical virology》2023,95(1):e28302
Our aim was to conduct a large epidemiologic analysis of the distribution of human papilloma virus (HPV) genotypes associated with cervical neoplasias and cancers at a major Chinese gynecologic center. The pathologic database was searched for cervical histopathologic diagnoses with prior HPV genotyping from liquid cervical cytology specimens obtained ≤6 months before biopsy. HPV testing was performed by using the Tellgenplex HPV27 or YanengBio HPV23 genotyping assays. A total of 40 352 cases meeting study criteria were identified. High risk human papillomavirus (hrHPV) was detected in 94.1% of squamous cancers compared to in only 83.3% of cervical adenocarcinomas. The prevalence of multiple HPV infections was highest in cervical intraepithelial neoplasia 1 (CIN1) (33.8%) and decreased with increasing severity of squamous lesions. The distribution of HPV genotypes was similar between CIN1 and histopathologic-negative cases. HPV16 was one of the three most common hrHPV genotypes before all histopathologic abnormalities, ranging from 72.0% for cervical cancers, 38.7% for CIN2/3/AIS, 13.1% for CIN1, and 9.1% for biopsy-negative cases. HPV16 and HPV18 accounted for over 87.2% of detected hrHPV genotypes for all glandular intraepithelial neoplastic lesions and cancers, whereas squamous lesions did not show this pattern. 80.3% of cervical cancers were associated with genotypes covered by HPV16/18 vaccines and 89.6% with genotypes covered by 9-valent vaccination. 相似文献