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Prevalência dos HPV 16, 18, 45 e 31 em mulheres com lesão cervical / Prevalence of HPV 16, 18, 45 and 31 in women with cervical lesions
Pitta, Denise Rocha; Campos, Elisabete Aparecida; Sarian, Luis Otávio; Rovella, Marcello Silveira; Derchain, Sophie Françoise Mauricette.
  • Pitta, Denise Rocha; s.af
  • Campos, Elisabete Aparecida; s.af
  • Sarian, Luis Otávio; s.af
  • Rovella, Marcello Silveira; s.af
  • Derchain, Sophie Françoise Mauricette; s.af
Rev. bras. ginecol. obstet ; 32(7): 315-320, jul. 2010. ilus, tab
Article in Portuguese | LILACS | ID: lil-567963
RESUMO

OBJETIVO:

avaliar a prevalência dos HPV 16, 18, 31 e 45 em amostras de raspado cervical de mulheres com alterações celulares e/ou colposcopia sugestiva de lesão de alto grau ou lesão de baixo grau persistente submetidas à conização.

MÉTODOS:

Foram incluídas 120 mulheres. A análise histológica dos cones cervicais revelou 7 casos de cervicite, 22 de NIC1, 31 de NIC2, 54 de NIC3 e 6 carcinomas invasores. Foram analisadas as amostras de raspado cervical coletadas antes da conização para a presença do DNA-HPV por PCR com os primers de consenso, PGMY09/11. As amostras positivas para DNA de HPV foram testadas para presença do HPV16, 18, 31 e 45 utilizando-se primers tipo específico para esses HPV.

RESULTADOS:

O DNA-HPV foi detectado em 67,5 por cento das mulheres. O HPV 16 (40 por cento) foi o tipo mais prevalente na maioria das lesões, seguido dos HPV 31 (13,3 por cento), 45 (13,3 por cento) e 18 (4,1 por cento). Infecções múltiplas ocorreram em 15 por cento dos casos e as infecções por outros tipos de HPV foram detectadas em 14 por cento da amostra.

CONCLUSÕES:

as infecções pelos HPV 16 e 18 nem sempre ocorrem de maneira solitária (infecção única), estando associadas a outros tipos de HPV em diversas ocasiões.
ABSTRACT

PURPOSE:

to determine the prevalence of HPV 16, 18, 31 and 45 in cervical screening samples of women with cellular changes and/or colposcopy suggestive of persistent high grade or low grade lesion who were submitted to conization.

METHODS:

a total of 120 women were included in the study. Histological analysis of the cervical cones revealed 7 cases of cervicitis, 22 of CIN1, 31 of CIN2, 54 of CIN3, and 6 invasive carcinomas. The cervical screening samples were analyzed before conization for the presence of HPV-DNA by PCR using the consensus primers PGMY09/11. HPV-DNA-positive samples were tested for the presence of HPV16, 18, 31 and 45 using type-specific primers for these HPV.

RESULTS:

HPV-DNA was detected in 67.5 percent of the studied women. HPV 16 (40 percent) was the most prevalent type in most ilesions, followed by HPV 31 (13.3 percent), 45 (13.3 percent), and 18 (4.1 percent). Multiple infections occurred in 15 percent of the cases and infections with other HPV types were detected in 14 percent of the sample.

CONCLUSIONS:

HPV 16 and 18 infections do not always occur as a single infection, and may be associated with other HPV types on different occasions.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Uterine Cervical Neoplasms / Papillomavirus Infections Type of study: Prevalence study / Risk factors / Screening study Limits: Adolescent / Adult / Aged / Female / Humans Language: Portuguese Journal: Rev. bras. ginecol. obstet Journal subject: Gynecology / Obstetrics Year: 2010 Type: Article / Project document

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Full text: Available Index: LILACS (Americas) Main subject: Uterine Cervical Neoplasms / Papillomavirus Infections Type of study: Prevalence study / Risk factors / Screening study Limits: Adolescent / Adult / Aged / Female / Humans Language: Portuguese Journal: Rev. bras. ginecol. obstet Journal subject: Gynecology / Obstetrics Year: 2010 Type: Article / Project document