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Verruciform Acanthotic Vulvar Intraepithelial Neoplasia Harbors Recurrent Genomic Alterations Found in HPV-independent Squamous Cell Carcinoma.
Int J Gynecol Pathol
January 2025
Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts.
The term verruciform acanthotic vulvar intraepithelial neoplasia (vaVIN) was coined to describe HPV-independent p53-wildtype lesions with characteristic clinicopathologic characteristics and association with vulvar squamous cell carcinoma (vSCC). We aimed to expand on the molecular landscape of vaVIN using comprehensive sequencing and copy number variation profiling. vaVIN diagnosis in institutional cases was confirmed by a second review, plus negative p16 and wildtype p53 by immunohistochemistry.
View Article and Find Full Text PDFTP53 Wild-type, HPV-independent Anal Growth/(intra)Epithelial Lesion (ANGEL): a Potential Precursor of Anal Squamous Cell Carcinoma.
Mod Pathol
January 2025
Department of Pathology and Laboratory Medicine, University of Miami.
Human papillomavirus (HPV) underpins approximately 90% of squamous cell carcinomas (SCC) of the anus and perianal region. These tumors usually arise in association with precursor lesions such anal intraepithelial neoplasia/ high-grade squamous intraepithelial lesion (AIN 3/ HSIL), whereas a small subset of HPV-negative cancers may harbor mutations in TP53. Recently, vulvar lesions termed differentiated exophytic vulvar intraepithelial lesion/vulvar acanthosis with altered differentiated (DEVIL/VAAD) have been recognized as HPV-independent, TP53 wild-type precursors for vulvar carcinoma; however, analogous anal lesions have not been described.
View Article and Find Full Text PDF2024 British Association for Sexual Health and HIV (BASHH) UK national guideline on the management of vulval conditions.
Int J STD AIDS
January 2025
Genitourinary and HIV Medicine and BASHH Clinical Effectiveness Group, Central North West London NHS Foundation Trust, London, UK.
Background: The management of vulval disorders in Genitourinary Medicine (GUM) clinics requires targeted approaches due to the wide range of conditions affecting the vulva. Vulval diseases encompass various aetiologies, including dermatoses, pain syndromes, and pre-malignant conditions, necessitating specialized care often involving multidisciplinary collaboration.
Purpose: This guideline aims to provide evidence-based recommendations for the diagnosis and management of specific vulval conditions that may present in GUM clinics.
Spatial transcriptomic analysis reveals significant differences in tumor microenvironment in HPV-dependent and HPV-independent vulvar squamous cell carcinoma.
Gynecol Oncol
January 2025
Ovarian Cancer Action Research Centre, Department of Surgery and Cancer, Imperial College London, London, UK. Electronic address:
Objective: Vulvar squamous cell carcinoma (VSCC) can be either HPV-dependent (HPVd) or HPV-independent (HPVi). HPVd VSCC typically occurs in younger women, has a more favorable prognosis, and develops from high-grade squamous intraepithelial lesions (HSIL). HPVi VSCC predominantly affects older women and arises within areas of chronic inflammation, particularly lichen sclerosis (LS).
View Article and Find Full Text PDFHematoporphyrin derivative-photodynamic therapy (HpD-PDT) for extensive vulvar and vaginal Bowen's disease: A case report.
Photodiagnosis Photodyn Ther
December 2024
Department of Peripheral Vascular Diseases, First Affiliated Hospital of Heilongjiang University of Traditional Chinese Medicine, Harbin, Heilongjiang, China. Electronic address:
Bowen's disease (BD) is an intraepithelial squamous cell carcinoma (SCC) that commonly affects older individuals, with the vulva being a prevalent site in women. Lesions within the vagina pose a particular challenge for surgical treatment, often compromising both functional integrity and cosmesis. Photodynamic therapy (PDT) is an emerging, safe, and non-invasive technique utilizing a photosensitizer and a specific light source, widely applied in the treatment of malignancies and skin diseases.
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