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DNA methylation analysis from oral brushing reveals a field cancerization effect in proliferative verrucous leukoplakia.
Pathologica
December 2024
Functional and Molecular Neuroimaging Unit, Bellaria Hospital, Department of Biomedical and Neuromotor Sciences, University of Bologna, Bologna, Italy.
Objectives: The aim of the present study was to analyze the methylation status in patients who presented with an Oral Squamous Cell Carcinoma (OSCC) concomitantly with multifocal Proliferative Verrucous Leukoplakia (PVL)(PVL-OSCC).
Methods: Nine patients with OSCC and concomitant PVL lesions were selected. Two brushing samples were collected simultaneously from OSCC and PVL lesions in contralateral mucosa from each patient.
Proliferative verrucous leukoplakia: Case study of 24 years and outcome of treatment with CO laser.
Clin Adv Periodontics
October 2024
Department of Oral Pathology, Radiology and Medicine, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA.
Background: Proliferative verrucous leukoplakia (PVL) is a rare and refractory form of oral leukoplakia. The etiology of PVL remains unknown. The lesion is characterized by a high rate of malignant transformation.
View Article and Find Full Text PDFProliferative Verrucous Leukoplakia: A Diagnostic Challenge in a Clinical and Histopathological Context-With Reflections on the Health Reality in Brazil.
Case Rep Dent
July 2024
Department of Pediatric Dentistry Orthodontics and Public Health Bauru School of Dentistry of São Paulo University FOB-USP, Alameda Dr. Octávio Pinheiro Brisolla, Block 9, Jardim Brasil, Bauru, SP 17012-901, Brazil.
Article Synopsis
- * Accurately diagnosing PVL is important to differentiate it from less dangerous oral lesions, but this is complicated by its varied histological characteristics.
- * A study of a 53-year-old female patient with PVL demonstrated these diagnostic challenges, underscoring the need for detailed assessment and better protocols to correctly identify this aggressive disorder.
Traversing the Terrain: Potential Pitfalls within the AJCC 8th Edition Staging System for Lip and Oral Cavity Cancers.
Head Neck Pathol
July 2024
Department of Oncopathology, Malabar Cancer Centre (PGIOSR), Kodiyeri, Muzhikkara - MCC Rd, Illathaazha, Thalassery, Kerala, 670103, India.
Article Synopsis
- In 1977, the AJCC launched the first Cancer Staging Manual using a T (tumor size), N (lymph node involvement), and M (metastasis) system to help clinicians plan treatments and predict outcomes for various cancers.
- * The AJCC 8th edition, effective January 1, 2018, continues this approach, but it has identified issues in staging certain types of cancers, particularly in accurately assessing oral squamous cell carcinoma and minor salivary gland tumors.
- * There is a need for improvements in staging guidelines for various specific tumors, including malignant odontogenic tumors and those affecting the ear and bone, along with diagrammatic aids to enhance understanding.*
Oral Carcinoma Arising Under Implant-Supported Prosthesis: Progression of Proliferative Verrucous Leukoplakia Initially Mimicking Lichen Planus.
J Oral Implantol
August 2024
Oral Pathology, Department of Stomatology, Public Oral Health, and Forensic Dentistry, Ribeirão Preto Dental School (FORP/USP), University of São Paulo, Ribeirão Preto, SP, Brazil.
Article Synopsis
- Proliferative verrucous leukoplakia (PVL) is a type of oral leukoplakia known for its recurring white plaques and risk of turning cancerous.
- A 52-year-old woman was initially misdiagnosed with oral lichen planus (OLP), but after further examination, she was correctly identified as having early-stage PVL.
- Six years after receiving dental implants, she developed squamous cell carcinoma, highlighting the need for careful monitoring in PVL patients with oral lesions near implants.
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