Oral squamous cell carcinoma: epidemiological study and risk factor assessment based on a 39-year series

Oral squamous cell carcinoma (OSCC) remains a challenge for head and neck surgeons, with low 5-year survival rates despite improvements in diagnostic techniques and therapies. This retrospective observational study was performed to evaluate the epidemiology and risk factors in a cohort of 666 patien...

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Veröffentlicht in:International journal of oral and maxillofacial surgery 2020-12, Vol.49 (12), p.1525-1534
Hauptverfasser: Capote-Moreno, A., Brabyn, P., Muñoz-Guerra, M.F., Sastre-Pérez, J., Escorial-Hernandez, V., Rodríguez-Campo, F.J., García, T., Naval-Gías, L.
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container_issue 12
container_start_page 1525
container_title International journal of oral and maxillofacial surgery
container_volume 49
creator Capote-Moreno, A.
Brabyn, P.
Muñoz-Guerra, M.F.
Sastre-Pérez, J.
Escorial-Hernandez, V.
Rodríguez-Campo, F.J.
García, T.
Naval-Gías, L.
description Oral squamous cell carcinoma (OSCC) remains a challenge for head and neck surgeons, with low 5-year survival rates despite improvements in diagnostic techniques and therapies. This retrospective observational study was performed to evaluate the epidemiology and risk factors in a cohort of 666 patients with invasive OSCC over a 39-year period. Risk factors assessed were age, sex, toxic habits, premalignant lesions, tumour location and size, and neck involvement, and pathological factors such as surgical margins, tumour thickness, perineural invasion, and bone invasion. These factors were analysed over time, and their influence on recurrence and survival rates examined. Results were compared with those of current epidemiological studies in the literature. This series showed a tendency to diagnosis at older ages (P
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This retrospective observational study was performed to evaluate the epidemiology and risk factors in a cohort of 666 patients with invasive OSCC over a 39-year period. Risk factors assessed were age, sex, toxic habits, premalignant lesions, tumour location and size, and neck involvement, and pathological factors such as surgical margins, tumour thickness, perineural invasion, and bone invasion. These factors were analysed over time, and their influence on recurrence and survival rates examined. Results were compared with those of current epidemiological studies in the literature. This series showed a tendency to diagnosis at older ages (P&lt;0.001) and decreased differences in sex distribution (P&lt;0.001) over time. Regarding risk factors, tobacco and alcohol drinking increased significantly in females, but remained stable in males. Forty percent of the patients developed recurrences during follow-up; the relapse rate did not improve over time (45.6% in the 1980s to 36.1% in 2010–2017). The 5-year survival rate also remained stable over time, ranging from 62.7% (1980s) to 71.7% (2010–2017). This epidemiological study analysed trends across four decades in a stable cohort, with results that may be extrapolated to the populations of European countries. The results confirmed that recurrence rates and survival rates have not improved over time, despite better surgical treatments and new therapies. 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Forty percent of the patients developed recurrences during follow-up; the relapse rate did not improve over time (45.6% in the 1980s to 36.1% in 2010–2017). The 5-year survival rate also remained stable over time, ranging from 62.7% (1980s) to 71.7% (2010–2017). This epidemiological study analysed trends across four decades in a stable cohort, with results that may be extrapolated to the populations of European countries. The results confirmed that recurrence rates and survival rates have not improved over time, despite better surgical treatments and new therapies. 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subjects Dentistry
oral cancer epidemiology
oral cancer recurrences
oral cancer survival
oral squamous cell carcinoma
prognostic factors
tobacco and alcohol drinking
title Oral squamous cell carcinoma: epidemiological study and risk factor assessment based on a 39-year series
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