Human papillomavirus type 16 and 18 detection in the management of mild dyskaryosis

M E Cruickshank, S Buchan, W T Melvin, H C Kitchener

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Objective To determine if semi-quantitative human papillomavirus (HPV) types 16 and 18 detection by polymerase chain reaction can increase: the sensitivity and specificity of repeat cytology alone for underlying high grade cervical intraepithelial neoplasia (CIN).

Design Prospective randomised study of immediate treatment and surveillance.

Setting A dedicated colposcopy clinic serving a regional population.

Sample Three hundred and four women with smears reported as mild dyskaryosis.

Methods Repeat cytology, HPV 16 and 18 tests, and colposcopy were performed at study entry. Women were randomised to either immediate treatment or surveillance with repeated tests at 6 and 12 months. Unless all study smears were negative, women were treated at study exit by large loop excision of the transformation zone.

Main outcome measures Sensitivity and specificity of HPV testing for types 16 and 18 in conjunction with cytology for high grade CIN.

Results Combining repeat cytology with HPV 16 and 18 testing had a sensitivity of 94% and a specificity of 26%, a positive predictive value of 71%, and a negative predictive value of 71%, for underlying high grade CIN. If used to secondary screen in conjunction with repeat cytology for mild dyskaryosis, 88% of women would have been referred for colposcopy on the basis of either test being positive.

Conclusion Combining repeat cytology and HPV 16 and 18 detection would result in the majority of women being referred for immediate colposcopy. Taken with an overall default rate of 17%, immediate referral of all women with mild dyskaryosis for colposcopic assessment still appears to be a more effective clinical strategy.

Original languageEnglish
Pages (from-to)969-976
Number of pages8
JournalBritish Journal of Obstetrics and Gynaecology
Volume106
Publication statusPublished - 1999

Keywords

  • CERVICAL INTRAEPITHELIAL NEOPLASIA
  • WOMEN
  • DNA
  • INFECTION
  • SMEARS
  • CANCER
  • DIAGNOSIS
  • PREDICTOR

Cite this

Human papillomavirus type 16 and 18 detection in the management of mild dyskaryosis. / Cruickshank, M E ; Buchan, S ; Melvin, W T ; Kitchener, H C .

In: British Journal of Obstetrics and Gynaecology, Vol. 106, 1999, p. 969-976.

Research output: Contribution to journalArticle

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abstract = "Objective To determine if semi-quantitative human papillomavirus (HPV) types 16 and 18 detection by polymerase chain reaction can increase: the sensitivity and specificity of repeat cytology alone for underlying high grade cervical intraepithelial neoplasia (CIN).Design Prospective randomised study of immediate treatment and surveillance.Setting A dedicated colposcopy clinic serving a regional population.Sample Three hundred and four women with smears reported as mild dyskaryosis.Methods Repeat cytology, HPV 16 and 18 tests, and colposcopy were performed at study entry. Women were randomised to either immediate treatment or surveillance with repeated tests at 6 and 12 months. Unless all study smears were negative, women were treated at study exit by large loop excision of the transformation zone.Main outcome measures Sensitivity and specificity of HPV testing for types 16 and 18 in conjunction with cytology for high grade CIN.Results Combining repeat cytology with HPV 16 and 18 testing had a sensitivity of 94{\%} and a specificity of 26{\%}, a positive predictive value of 71{\%}, and a negative predictive value of 71{\%}, for underlying high grade CIN. If used to secondary screen in conjunction with repeat cytology for mild dyskaryosis, 88{\%} of women would have been referred for colposcopy on the basis of either test being positive.Conclusion Combining repeat cytology and HPV 16 and 18 detection would result in the majority of women being referred for immediate colposcopy. Taken with an overall default rate of 17{\%}, immediate referral of all women with mild dyskaryosis for colposcopic assessment still appears to be a more effective clinical strategy.",
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AU - Cruickshank, M E

AU - Buchan, S

AU - Melvin, W T

AU - Kitchener, H C

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N2 - Objective To determine if semi-quantitative human papillomavirus (HPV) types 16 and 18 detection by polymerase chain reaction can increase: the sensitivity and specificity of repeat cytology alone for underlying high grade cervical intraepithelial neoplasia (CIN).Design Prospective randomised study of immediate treatment and surveillance.Setting A dedicated colposcopy clinic serving a regional population.Sample Three hundred and four women with smears reported as mild dyskaryosis.Methods Repeat cytology, HPV 16 and 18 tests, and colposcopy were performed at study entry. Women were randomised to either immediate treatment or surveillance with repeated tests at 6 and 12 months. Unless all study smears were negative, women were treated at study exit by large loop excision of the transformation zone.Main outcome measures Sensitivity and specificity of HPV testing for types 16 and 18 in conjunction with cytology for high grade CIN.Results Combining repeat cytology with HPV 16 and 18 testing had a sensitivity of 94% and a specificity of 26%, a positive predictive value of 71%, and a negative predictive value of 71%, for underlying high grade CIN. If used to secondary screen in conjunction with repeat cytology for mild dyskaryosis, 88% of women would have been referred for colposcopy on the basis of either test being positive.Conclusion Combining repeat cytology and HPV 16 and 18 detection would result in the majority of women being referred for immediate colposcopy. Taken with an overall default rate of 17%, immediate referral of all women with mild dyskaryosis for colposcopic assessment still appears to be a more effective clinical strategy.

AB - Objective To determine if semi-quantitative human papillomavirus (HPV) types 16 and 18 detection by polymerase chain reaction can increase: the sensitivity and specificity of repeat cytology alone for underlying high grade cervical intraepithelial neoplasia (CIN).Design Prospective randomised study of immediate treatment and surveillance.Setting A dedicated colposcopy clinic serving a regional population.Sample Three hundred and four women with smears reported as mild dyskaryosis.Methods Repeat cytology, HPV 16 and 18 tests, and colposcopy were performed at study entry. Women were randomised to either immediate treatment or surveillance with repeated tests at 6 and 12 months. Unless all study smears were negative, women were treated at study exit by large loop excision of the transformation zone.Main outcome measures Sensitivity and specificity of HPV testing for types 16 and 18 in conjunction with cytology for high grade CIN.Results Combining repeat cytology with HPV 16 and 18 testing had a sensitivity of 94% and a specificity of 26%, a positive predictive value of 71%, and a negative predictive value of 71%, for underlying high grade CIN. If used to secondary screen in conjunction with repeat cytology for mild dyskaryosis, 88% of women would have been referred for colposcopy on the basis of either test being positive.Conclusion Combining repeat cytology and HPV 16 and 18 detection would result in the majority of women being referred for immediate colposcopy. Taken with an overall default rate of 17%, immediate referral of all women with mild dyskaryosis for colposcopic assessment still appears to be a more effective clinical strategy.

KW - CERVICAL INTRAEPITHELIAL NEOPLASIA

KW - WOMEN

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KW - CANCER

KW - DIAGNOSIS

KW - PREDICTOR

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JO - British Journal of Obstetrics and Gynaecology

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ER -