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Revista clínica de periodoncia, implantología y rehabilitación oral

versión On-line ISSN 0719-0107


CONTRERAS-RAMIREZ, Manuel; DONOSO, Wendy; VENEGAS, Bernardo  y  RIVERA, César. Histopathological analysis of oral cancer cases in health institutions of Maule and Bío-Bío Chilean regions between the years 2001-2011. Rev. Clin. Periodoncia Implantol. Rehabil. Oral [online]. 2015, vol.8, n.3, pp.223-227. ISSN 0719-0107.

Squamous cell carcinoma of the oral cavity (OSCC) is an invasive epithelial neoplasm with varying degrees of differentiation and propensity to metastasise. Chilean evidence for OSCC is scarce, and even more so for the Seventh (Maule) and Eighth (Bío-Bío) regions. Hence, the present study is carried out to evaluate the histopathological features of OSCC patients to contribute to local and national knowledge. A retrospective observational study was conducted on a convenience sample (n = 33) from health care institutions of Seventh and Eighth Chilean regions. The mean age of patients was 65 years. The most common OSCC anatomical locations were lips (36.4%), followed by the tongue (27.3%), and the floor of the mouth (9.1%). Moderately differentiated OSCC predominated (51.5%), with a pattern of infiltrating tumour invasion (81.8%) and a moderate/strong immune response (75.8%). In these Chilean regions, OSCC mainly affects older people and is located in an easily accessible area for anatomical examination, which should allow early diagnosis. Professionals with post-graduate knowledge or expertise in Pathology and Oral Medicine are needed in public health care centres.

Palabras clave : Oral squamous cell carcinoma; Oral cancer; Mouth neoplasms; Chilean population.

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