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Fulltext Verrucous carcinoma of maxillary antrum

Indudharan R, Das PK, Thida T

Singapore Med J, 1996 Oct;37(5):559-61.
PMID: 9046219

Verrucous carcinoma of the paranasal sinuses is a rare malignant tumour. It occurs most frequently in the oral cavity and larynx. We present a case of extensive verrucous carcinoma of the maxillary sinus. This paper discusses the clinical and histological features and modes of treatment. All previous reports of verrucous carcinoma cases of paranasal sinuses are reviewed.

Matched MeSH terms: Carcinoma, Verrucous/diagnosis*; Carcinoma, Verrucous/pathology; Carcinoma, Verrucous/therapy
Locally advanced anourological verrucous carcinoma: a multidisciplinary approach

Koh PS, Roslani AC, Leow M, Ng CL, Lee GE

Tech Coloproctol, 2009 Mar;13(1):101.
PMID: 19288239 DOI: 10.1007/s10151-009-0464-8
Matched MeSH terms: Carcinoma, Verrucous/pathology; Carcinoma, Verrucous/surgery*
Fulltext Update from the 5th Edition of the World Health Organization Classification of Head and Neck Tumors: Tumours of the Oral Cavity and Mobile Tongue

Muller S, Tilakaratne WM

Head Neck Pathol, 2022 Mar;16(1):54-62.
PMID: 35312982 DOI: 10.1007/s12105-021-01402-9

The fifth chapter of the upcoming fifth edition of the 2022 World Health Organization Classification of Tumours of the Head and Neck titled Tumours of the oral cavity and mobile tongue, has had some modifications from the 2017 fourth edition. A new section "Non-neoplastic Lesions", introduces two new entries: necrotizing sialometaplasia and melanoacanthoma. The combined Oral potentially malignant disorders and Oral epithelial dysplasia section in the 2015 WHO has now been separated and submucous fibrosis and HPV-associated dysplasia are also discussed in separate sections. Carcinoma cuniculatum and verrucous carcinoma are described in dedicated sections, reflecting that the oral cavity is the most common location in the head and neck for both these entities which have distinct clinical and histologic features from conventional squamous cell carcinoma. This review summarizes the changes in Chapter 5 with special reference to new additions, deletions, and sections that reflect current clinical, histological, and molecular advances.

Matched MeSH terms: Carcinoma, Verrucous/classification; Carcinoma, Verrucous/pathology
Fulltext Exophytic Verrucous Hyperplasia of the Oral Cavity – Application of Standardized Criteria for Diagnosis from a Consensus Report

Zain RB, Kallarakkal TG, Ramanathan A, Kim J, Tilakaratne WM, Takata T, et al.

Asian Pac J Cancer Prev, 2016 01 09;17(9):4491.
PMID: 27865210 DOI: 10.7314/APJCP.2016.17.(9).4491

Verruco-papillary lesions (VPLs) of the oral cavity described in the literature involve a spectrum of conditions
including squamous papilloma, verruca vulgaris, focal epithelial hyperplasia, condyloma, proliferative verrucous
leukoplakia and verrucous carcinoma. A majority of the VPLs are slow growing, benign in nature and have a
viral aetiology. Virus associated benign mucosal outgrowths are not too difficult to diagnose either clinically or
by microscopy. Apart from virus-associated lesions, VPLs harboring malignant potential or behaviour such as
verrucous carcinoma, proliferative verrucous leukoplakia, oral verrucous hyperplasia (OVH), oral papillary
squamous cell carcinoma (PSCC) and oral conventional squamous cell carcinoma with papillary features (CSCC)
need to be further clarified for better understanding of their predictable biologic behavior and appropriate
treatment. Current understanding of potentially malignant VPLs is perplexing and is primarily attributed to
the use of confusing and unsatisfactory terminology. In particular, the condition referred to as oral verrucous
hyperplasia (OVH) poses a major diagnostic challenge. OVH represents a histopathological entity whose clinical
features are not well recognised and is usually clinically indistinguishable from a verrucous carcinoma and a
PSCC or a CSCC. A consensus report published by an expert working group from South Asia as an outcome of
the ‘First Asian Regional Meeting on the Terminology and Criteria for Verruco-papillary Lesions of the Oral
Cavity’ held in Kuala Lumpur, Malaysia, recognised the clinical description of these OVH as a new entity named
‘Exophytic Verrucous Hyperplasia’. Previously described clinical features of OVH such as the ‘blunt’ or ‘sharp’
variants; and the ‘mass’ or ‘plaque’ variants can now collectively fall under this newly described entity. This paper
discusses in detail the application of the standardized criteria guidelines of ‘Exophytic Verrucous Hyperplasia’
as published by the expert group which will enable clinicians and pathologists to uniformly interpret their pool
of OVH cases and facilitate a better understanding of OVH malignant potential.

Matched MeSH terms: Carcinoma, Verrucous
Exophytic oral verrucous hyperplasia: a new entity

Patil S, Warnakulasuriya S, Raj T, Sanketh DS, Rao RS

J Investig Clin Dent, 2016 Nov;7(4):417-423.
PMID: 26075572 DOI: 10.1111/jicd.12166

OBJECTIVE: Exophytic oral verrucous hyperplasia (OVH) is a new entity described by an expert working group from South Asia. First reported in Taiwan, there are no reports so far from an Indian population. The aim was to use the microscopic features described by the expert group to differentiate OVH from other oral verruco-papillary lesions in an Indian archive.
MATERIALS AND METHODS: In a retrospective multicentre study, using pathology archives, 188 verruco-papillary lesions were retrieved from pathology archives. A proforma listing histopathological criteria for OVH based on published guidelines (Annals of Dentistry, University of Malaya, 2013) was used. Patients' demographic and clinical data were transcribed from patient charts. The Pearson chi-square test was used to determine associations between clinical and histopathological features.
RESULTS: Of 188 oral verruco-papillary lesions that were evaluated, based on microscopic features the cases were reclassified as OVH (57), verrucous carcinoma (VC) (84), oral squamous cell carcinoma (16), and other verruco-papillary lesions (31). Both OVH (70%) and VC (60%) showed male predominance and commonly affected buccal mucosa (OVH 74% and VC 57%). Absence of downward growth of the hyperplastic epithelium into lamina propria when compared with the level of the basement membrane of the adjacent normal epithelium was a distinct feature in OVH. Keratin plugging, epithelial dysplasia and subepithelial lymphocytic infiltration were found to be significantly different (P carcinoma. We propose OVH is a distinct entity in our Indian population and should be considered in the classification of oral potentially malignant disorders.

Matched MeSH terms: Carcinoma, Verrucous/etiology; Carcinoma, Verrucous/pathology
Aggressive, multifocal oral verrucous leukoplakia: proliferative verrucous leukoplakia or not?

Ghazali N, Bakri MM, Zain RB

J Oral Pathol Med, 2003 Aug;32(7):383-92.
PMID: 12846784

Some oral verrucal lesions may constitute parts of the clinicopathological spectrum of proliferative verrucous leukoplakia (PVL). Because of its idiopathic yet sinister nature, it is possible that PVL may exist in other populations. The aim of this study was to review the clinicopathological features of persistent, multifocal, oral verrucal lesions in Malaysian population.

Matched MeSH terms: Carcinoma, Verrucous/pathology