Cited by 248Oral Health Pathology and TreatmentHead and Neck Cancer StudiesHIV/AIDS oral health manifestations

Potentially malignant disorders of the oral cavity: Current practice and future directions in the clinic and laboratory

Dionne, Kalen R., Warnakulasuriya, Saman, Binti Zain, Rosnah, Cheong, Sok Ching·2015·International Journal of Cancer

Abstract

Despite commendable progress in the prevention, detection, and treatment of a wide variety of solid tumor types, oral squamous cell carcinoma (OSCC) remains a significant health burden across the globe. OSCC carcinogenesis involves accumulation of genetic alterations that coincide with the multistep malignant transformation of normal oral epithelium. OSCC is often first diagnosed at late stages of the disease (advanced regional disease and/or metastasis). Delayed diagnosis precludes successful treatment and favorable outcomes. In clinical practice, opportunities exist to identify patients with oral potentially malignant disorders (OPMDs), which precede the development of cancer. This review addresses the current status of laboratory and clinical research on OPMDs, with emphasis on leukoplakia and erythroplakia. OSF is also presented, though there is a paucity of published studies on this disorder. We focus on findings that could translate into earlier diagnosis and more efficacious treatment of those lesions with significant malignant potential. We explore how markers of OPMD malignant transformation might be implemented into current diagnostic practice to help clinicians objectively stratify patients into treatment/follow‐up groups according to relative risk. We provide an overview of recently concluded and ongoing OPMD chemoprevention trials. We describe laboratory OPMD models that can be used to not only to reveal the genetic and molecular intricacies of oral cancer but also to develop novel screening methods and therapeutic approaches. Finally, we call for targeted screening programs of at‐risk populations in order to facilitate diagnosis and treatment of OPMD and early OSCC.

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Crossref · 10.1002/ijc.28754

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160 of 160 references verified0 citation errors · 0 not checkable

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  • The in-house tissues came from a previous project that found no significant expression difference among common epithelial markers in past and other studies.

    “which from our previous project found no significant expression difference among the common epithelial markers in our past study and other previous study22–24.”
  • The in-house oral tissues were diagnosed as hyperkeratosis without dysplasia and their genetic profiles are closer to normal tissue than malignant tissue.

    “The four were taken from three patients with an average age of 50, which were all diagnosed as hyperkeratosis without dysplasia by pathologists, just showing an increase in cell number in the spinous layer and/or in the basal/parabasal cell layers without cellular atypia, and its genetic profiles would be much more closed to normal tissue than malignant tissue22–24.”

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Authors
Dionne, K. R., Warnakulasuriya, S., Binti Zain, R., & Cheong, S. C.
Affiliations
  • University of Malaya (MY)
  • King's College London (GB)
  • Faculty of Dentistry Oral Cancer Research and Co‐ordinating Centre (OCRCC), University of Malaya Kuala Lumpur Malaysia
Corresponding author
Cheong, Sok Ching
Venue
International Journal of Cancer
Publisher
Wiley
Published
2014-02-11
Volume
136
Issue
3
Pages
503-515
ISSN
  • 0020-7136 (ISSN-L)
  • 1097-0215
OpenAlex
W2154220394
Cited by
248
References
160
Citations by year
2026: 4 · 2025: 11 · 2024: 17 · 2023: 24 · 2022: 32 · 2021: 29 · 2020: 30 · 2019: 20 · 2018: 17 · 2017: 19 · 2016: 21 · 2015: 17 · 2014: 6
FWCI
3.53
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Cancer (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Dentistry › Periodontics › Oral Health Pathology and Treatment
  • Health Sciences › Medicine › Otorhinolaryngology › Head and Neck Cancer Studies
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › HIV/AIDS oral health manifestations
Keywords
oral potentially malignant disorders, oral squamous cell carcinoma, leukoplakia, erythroplakia, oral submucous fibrosis, chemoprevention, oral cancer screening, early diagnosis, oral carcinogenesis, oral epithelium, in vitro disease model
MeSH terms
Aged, Carcinoma, Squamous Cell, DNA, Humans, Leukoplakia, Oral, Male, Middle Aged, Mouth Neoplasms, Ploidies, Loss of Heterozygosity, Cyclin D1

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