AI Article Synopsis

  • - Vulvar intraepithelial neoplasia (VIN) is a non-invasive lesion that can lead to squamous cell carcinoma (SCC) of the vulva and requires a biopsy for diagnosis, as there is no screening test available.
  • - A case study of a 66-year-old woman with a tumor resembling a condyloma was diagnosed with VIN III after a biopsy and histological examination, confirming the presence of specific markers (p16(+) and p53(+)).
  • - The case highlights the need for multidisciplinary collaboration in treatment and emphasizes the importance of lifelong monitoring since removing lesions does not prevent the development of invasive cancer.

Article Abstract

Vulvar intraepithelial neoplasia, also known as VIN, is a non-invasive squamous lesion and precursor of squamous cell carcinoma (SCC) of the vulva. There is no screening test for vulvar intraepithelial neoplasia. Diagnosis of VIN is made clinically and confirmed with a biopsy. We describe a 66-year-old woman with a condyloma-like tumour located in the skin on the vestibule of the vagina. A biopsy sample was taken from the nodule. The definitive diagnosis is supported by the histological examination (VIN III) and immunohistochemical examination of p16(+), p53(+), and a few cell nuclei. The case provides information on the importance of multidisciplinary cooperation. Lifelong surveillance is essential since the resection of individual lesions does not guarantee the prevention of invasive cancer.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11351730PMC
http://dx.doi.org/10.3390/biomedicines12081799DOI Listing

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Background: Recently, the immunohistochemical markers cytokeratin 17 (CK17) and SRY-box2 (SOX2) have been evaluated as adjuncts for the diagnosis of high-grade vulvar intraepithelial neoplasia (VIN). In the present study, the aim was to assess CK17 and SOX2 expression in VIN by studying 150 vulvar lesions, originally reported as high-grade VIN and to assess the diagnostic accuracy.

Methods: All slides (H&E, p16, p53, Ki-67, CK17, and SOX2 stains) were independently assessed by six pathologists and the final diagnosis was reached in consensus meetings, as follows: 46 human papillomavirus (HPV)-independent VIN (including 30 p53 mutant and 16 p53 wild-type lesions), 58 high-grade squamous intraepithelial lesions (HSILs), 4 low-grade SILs (LSILs), 37 non-dysplastic lesions, and 5 lesions where the histology was inconclusive.

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Amsterdam UMC location Vrije Universiteit Amsterdam, Pathology, De Boelelaan 1117, Amsterdam, the Netherlands; Cancer Centre Amsterdam, Imaging and Biomarkers, Amsterdam, the Netherlands. Electronic address:

Objective: To systematically explore vulvar pathology diagnosed prior to vulvar squamous cell carcinoma (VSCC), as well as the association with tumor characteristics, stage and survival outcome, with the aim of improving vulvar cancer prevention strategies.

Methods: VSCC diagnosed between 2005 and 2019 were identified from a population-based cohort provided by the Dutch Nationwide Pathology Databank. Pathology reports were reviewed to identify vulvar pathology diagnosed before primary VSCC.

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