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[The significance of HPV-DNA genotyping assays in the ASC]
Objective:
To disscuss different outcomes of ASC-UC and ASC-H, two subtypes of ASC, and the significance of HPV-DNA genotyping assays in these two subtypes.
Methods:
We reviewed and analyzed colposcopic and biopsy results of 1256 cases of ASC between Jan. 2005 to Dec. 2007, of which 580 cases have results of HPV-DNA genotyping assays.
Results:
In 1256 ASC cases, ASC-US and ASC-H cases account for 90.1% and 9.9% respectively, CIN2 and higher levels diagnosed via colposcopy and cervical biopsy are 8.5% and 24.2% respectively (P = 0.000). In ASC-US cases, the infection rate of HPV-DNA high risk types is 67.2%, there is statistic significance among different HPV-DNA results and biopsy pathology (P = 0.000). In ASC-H cases, the infection rate of HPV-DNA high risk types is 47.3%, there is no statistic significance among them (P = 0.054).
Conclusion:
The clinical outcomes of ASC-US and ASC-H are different, we should distinguish and treat. HPV-DNA genotyping assay is available in ASC-US triage, but Colposcopy is proposed for all ASC-H patients.
