Evaluation of Mast Cell Density in the Tumor Microenvironment in Oral Epithelial Dysplasia and Oral Squamous Cell Carcinoma

Autor: Caroline Brandi Schlaepfer Sales, Renata Oliveira de Souza, Eduardo Antônio Gonçalves Ramos, Ludmila de Faro Valverde, Rebeca C.M. Dantas, Letícia Palmeira Sousa, Clarissa Araújo Gurgel Rocha, Jean Nunes dos Santos, Manuela Torres Andion Vidal
Rok vydání: 2017
Předmět:
Zdroj: Applied Immunohistochemistry & Molecular Morphology. 25:e83-e88
ISSN: 1541-2016
Popis: The objective of this study was to compare mast cell density (MCD) in oral epithelial dysplasias (OED) and oral squamous cell carcinoma (OSCC) and determine its correlation with clinical and histopathologic parameters and the degree of tumor differentiation. Thirty OSCC samples, 14 OED samples, and 4 non-neoplastic oral mucosa samples were analyzed by immunohistochemistry to determine MCD based on the expression of MC tryptase. In addition, MCs were categorized morphologically into degranulated and granulated cells. MCD was significantly higher in OSCC lesions with a greater degree of differentiation (P=0.04). No significant difference in MCD was detected between mild and moderate OED samples (P=0.09). Our findings indicate that MCs are present in the tumor microenvironment and may be associated with a better prognosis.
Databáze: OpenAIRE