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Review
. 2021 Dec;61(6):941-948.
doi: 10.1111/ajo.13426. Epub 2021 Sep 10.

The impact of primary human papillomavirus screening on negative loop excision histology following biopsy-proven high-grade cervical intra-epithelial lesions: A review from a large tertiary colposcopy unit

Huan Xie  1 , Rhett Morton  1 , Jananie Balendran  2 , Shannon Philp  3 , Samir Saidi  1 , Rhonda Farrell  1 , Lyndal Anderson  4 , Selvan Pather  1
Affiliations
Review

The impact of primary human papillomavirus screening on negative loop excision histology following biopsy-proven high-grade cervical intra-epithelial lesions: A review from a large tertiary colposcopy unit

Huan Xie et al. Aust N Z J Obstet Gynaecol. 2021 Dec.

Abstract

Background: The renewed National Cervical Screening Program incorporating primary human papillomavirus (HPV) screening was implemented in Australia in December 2017. In a previous study conducted in the UK, primary HPV screening was found to be associated with a 25% reduction in the incidence of negative histology following loop electrosurgery excision procedure (LEEP).

Aim: To examine the change in incidence and associated risk factors for a negative LEEP with introduction of primary HPV screening.

Materials and methods: A retrospective review of the records of all patients undergoing a LEEP excision for biopsy-proven high-grade cervical intra-epithelial lesions between 1 January 2014 and 30 June 2019 in a specialised centre.

Results: There were 1123 patients who underwent a LEEP included in the analysis. The incidence of a negative LEEP specimen was 7.5% (59/784) and 5.3% (18/339) in the pre- and post-HPV screening cohort. More patients in the post-HPV screening group had low-grade cytology on referral (P < 0.001), smaller cervical lesions on colposcopy (P = 0.012) and longer biopsy to treatment interval (P = 0.020). Primary HPV screening was associated with a significant reduction in the incidence of a negative LEEP specimen in a propensity matched cohort (11.2% to 5.1%, P = 0.006) and a 41% (P = 0.045) decreased relative risk of a negative LEEP on multivariate analysis.

Conclusions: Primary HPV screening results in a lower incidence of negative LEEP histology, despite a longer biopsy to treatment wait time and higher proportion of low-grade cytology at triage.

Keywords: biopsy; colposcopy; electrosurgery; papillomavirus infections; uterine cervical dysplasia.

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References

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