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Early Diagnostics of Vulvar Intraepithelial Neoplasia
Journal article   Open access   Peer reviewed

Early Diagnostics of Vulvar Intraepithelial Neoplasia

Vesna Kesic, Pedro Vieira-Baptista and Colleen K. Stockdale
Cancers, Vol.14(7), p.1822
04/01/2022
DOI: 10.3390/cancers14071822
PMCID: PMC8997501
PMID: 35406594
url
https://doi.org/10.3390/cancers14071822View
Published (Version of record) Open Access

Abstract

Simple Summary The spectrum of vulvar disorders is wide and varies from infections, dermatoses, manifestations of hormonal and systemic conditions to vulvar intraepithelial neoplasia (VIN) and invasive cancer. It is not always possible to distinguish vulvar lesions on the basis of macroscopical aspects and the distribution of changes. For definite diagnosis of a vulvar lesion, a biopsy is needed. However, in practice, the decision to perform a biopsy is often delayed due to a lack of specificity of symptoms at the early stages of the neoplastic disease. The aim of this article is to provide clinicians, both gynecologists and dermatologists, with the main features of vulvar precancerous lesions, in order to recognize and treat them on time, thus preventing vulvar cancer. Clinical appearance of VIN is variable with significant variations present in color, surface, and topography. Evaluation of all VIN lesions should be conducted very carefully, because an underlying early invasive squamous cancer appears to be present in a significant percentage of patients. The spectrum of vulvar lesions ranges from infective and benign dermatologic conditions to vulvar precancer and invasive cancer. Distinction based on the characteristics of vulvar lesions is often not indicative of histology. Vulvoscopy is a useful tool in the examination of vulvar pathology. It is more complex than just colposcopic examination and presumes naked eye examination accompanied by magnification, when needed. Magnification can be achieved using a magnifying glass or a colposcope and may aid the evaluation when a premalignant or malignant lesion is suspected. It is a useful tool to establish the best location for biopsies, to plan excision, and to evaluate the entire lower genital system. Combining features of vulvar lesions can help prediction of its histological nature. Clinically, there are two distinct premalignant types of vulvar intraepithelial neoplasia: HPV-related VIN, more common in young women, multifocal and multicentric; VIN associated with vulvar dermatoses, more common in older women and usually unicentric. For definite diagnosis, a biopsy is required. In practice, the decision to perform a biopsy is often delayed due to a lack of symptoms at the early stages of the neoplastic disease. Clinical evaluation of all VIN lesions should be conducted very carefully, because an underlying early invasive squamous cancer may be present.
Oncology Life Sciences & Biomedicine Science & Technology

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