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It is now recognized that the tumor microenvironment makes significant contribution to tumor progression. Activated fibroblast endothelial cells, inflammatory cells, and various extra cellular matrix components are parts of this microenvironment. Most of the activated fibroblasts are α-smooth muscle actin-positive myofibroblast that often represent the majority of tumor stromal cells. Their production of growth factors chemokines and extracellular matrix facilitates tumor growth. Myofibroblast have been demonstrated in close to 50% of oral squamous cell carcinomas. In this review, we highlight the histological distribution of myofibroblast in oral squamous cell and the myofibroblast relation to tumor growth on prognosis.
Thode et al. (2011) studied this question.