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Type: Artigo de periódico
Title: Human papillomavirus prevalence among women with cervical intraepithelial neoplasia III and invasive cervical cancer from Goiania, Brazil
Author: Rabelo-Santos, SH
Zeferino, L
Villa, LL
Sobrinho, JP
Amaral, RG
Magalhaes, A
Abstract: This study estimated the prevalence and distribution of human papillomavirus (HPV) types among women with cervical intraepithelial neoplasia (CIN) grade III and invasive cervical cancer from Goias (Brazil Central Region). Seventy-four cases were analyzed and consisted of 18 CIN 111, 48 squamous cell carcinomas, 4 adenocarcinomas, I adenosquamous carcinoma and 3 undifferentiated carcinomas. HPV-DNA sequences were examined in formalin-fixed paraffin-embedded tissues using primers from L1 region GP5+/GP6+. Polymerase chain reaction products were typed with dot blot hybridization using probes for HP V 16, 18, 31, 33, 45, 54, 6/11, 42/43/44, 51/52, 56/58. The prevalence of HP V was estimated to be 76% (56174). HPV 16 was the most frequently found type, followed by HPV 33, 18 and 31. The prevalence of untyped HPV was 6%; 79% percent of the squamous cell carcinoma cases and 61% percent of the CIN III were positive for HPV and the prevalence rate of HPV types was the same for the total number of cases. According to other studies, HP V type 16 is the most prevalent virus in all Brazilian regions, but there is variation regarding to other types. Type 18 is the second most prevalent HP V in North, Southeast and South Brazil regions and types 31 and 33 are the second most prevalent HP V in Northeast and Central Brazil, respectively.
Subject: human papillomavirus
cervical cancer
cervical intraepithelial neoplasia
polymerase chain reaction
dot blot hybridization
Country: Brasil
Editor: Fundaco Oswaldo Cruz
Citation: Memorias Do Instituto Oswaldo Cruz. Fundaco Oswaldo Cruz, v. 98, n. 2, n. 181, n. 184, 2003.
Rights: aberto
Identifier DOI: 10.1590/S0074-02762003000200003
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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