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JOURNAL ARTICLE
REVIEW
Oral lymphoid lesions: a 47-year clinicopathological study in a Brazilian population.
Medical Molecular Morphology 2018 October 32
We performed an epidemiological, clinical and histopathological analysis of oral lymphoid lesions (OLLs) during a 47-year period. Data regarding patient age, sex, duration, location, symptomatology, type of growth, implantation, staining, presence of ulceration and bleeding of all cases were compiled from the clinical data. For the histopathological analyses, all slides stained by H/E were reassessed. During the analyzed period, 14,565 patients with oral and maxillofacial lesions were diagnosed, with 45 cases diagnosed as OLLs. The most prevalent location was the tongue. Females were more affected, and the mean age was 40.8 years. OLLs presented a heterogeneous frequency, with the prevalence of reactive lesions (42.3%) followed by developmental lesions (35.6%). Among the reactive lesions, foreign body granulomas were the most common. Regarding diagnosed neoplasms, malignant represented 13.2% of the cases. The average time of evolution of OLLs in general was of 22.2 months. Regarding the histopathological characteristics, the presence of primary lymphoid follicles was observed in 37.8% of the cases, while inflammatory infiltrates were diffuse in 66.7% and epimyoepithelial islands were observed in 13.3%. Our study concludes that OLLs involves a broad spectrum of lesions that share the presence of the lymphoid component, which can range from indolent to more aggressive behavior.
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