Article ; Online: Effect of clinical and histologic features on time to malignancy in 224 cases of oral leukoplakia treated by surgery.
2022 Volume 26, Issue 8, Page(s) 5181–5188
Abstract: Objectives: Our main purpose and research question were to analyze and quantify whether there were significant differences in the time to develop cancer among patients with oral leukoplakia (OL), comparing the more susceptible cases to those with the ... ...
| Abstract | Objectives: Our main purpose and research question were to analyze and quantify whether there were significant differences in the time to develop cancer among patients with oral leukoplakia (OL), comparing the more susceptible cases to those with the least susceptibility to malignancy. Materials and methods: We followed 224 cases of OL after surgical or CO Results: Histology type (moderate or severe dysplasia) and tongue location showed hazard ratios (HR) of 3.19 (95% CI [1.05-8.59]) and 4.78 (95% CI [1.6-16.61]), respectively. Both variables increased the risk of malignant transformation, thus identifying a susceptible subpopulation with reduced time required to develop cancer, as with non-homogeneous leukoplakias. The median time for cancer development was 4 years and 5 months, with a minimum of 9 months after the diagnosis of OL and a maximum of 15 years and 2 months. Conclusions: Susceptible patients with non-homogeneous leukoplakia, dysplasia, or leukoplakia in the tongue develop cancer earlier than those with homogeneous OL and those without dysplasia. Clinical relevance: The novel contribution of this research is that, until now, the time it took for oral leukoplakias to develop cancer based on whether they were homogeneous or non-homogeneous, and if they have or not epithelial dysplasia, had not been comparatively described and quantified. As a final result, the time to malignant transformation in non-homogeneous and dysplastic leukoplakias is significantly shorter. |
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| MeSH term(s) | Bayes Theorem ; Cell Transformation, Neoplastic/pathology ; Humans ; Hyperplasia ; Lasers, Gas/therapeutic use ; Leukoplakia, Oral/epidemiology ; Leukoplakia, Oral/surgery |
| Language | English |
| Publishing date | 2022-04-26 |
| Publishing country | Germany |
| Document type | Journal Article |
| ZDB-ID | 1364490-7 |
| ISSN | 1436-3771 ; 1432-6981 |
| ISSN (online) | 1436-3771 |
| ISSN | 1432-6981 |
| DOI | 10.1007/s00784-022-04486-x |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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