نتایج جستجو برای: oral squamous cell carcinoma
تعداد نتایج: 2093075 فیلتر نتایج به سال:
it has been argued that oral lichen planus (olp) may increase the risk of oral cancer. patients with olp may be at an increased risk for developing of oscc (oral squamous cell carcinoma). here, the author reports a case of olp initially presenting with a clearly benign olp lesion that transformed into oscc over a course of 18 months. this report may provide a clear evidence for olp lesion as a ...
Background and purpose: Mast cells as the multi-functional and complex cells play a key role in tumor progression. Due to the higher malignant potential of Oral Squamous cell carcinoma (OSCC) compared with cutaneous squamous cell carcinoma (cSCC), the purpose of this study was to compare the mast cells count in squamous cell carcinoma of the skin and oral cavity and evaluate their correlation w...
introduction: squamous cell carcinoma of the oral cavity is one of the most important and common types of head and neck malignancy, with an estimated rate of 4% among all human malignancies. the aim of this study was to determine the association between expression of matrix metalloproteinase 2 and 9 and the clinicopathological features of oral squamous cell carcinoma (oscc). materials and met...
background: new blood vessels formation is a critical step in tumor progression. vascular density affects the clinical outcome and prognosis of malignant tumors. the aim of this study was to investigate the relation between the vascular endothelial growth factor (vegf) expression and vascular density with the clinical and histopathologic features in oral squamous cell carcinoma (oscc). method...
oral lichen planus (olp) is classified as a potential malignant disorder, and epidermal growth factor (egf) may play a key role in cancer development. the aim of this study was to compare serum and saliva egf among patients with olp and oral squamous cell carcinoma (oscc). a cross-sectional study was performed on 27 patients with olp (10 reticular and 17 atrophic-erosive forms), 27 patients wit...
to evaluate the effect of adding neoadjuvant chemotherapy to surgery and radiation therapy for locally advanced resectable oral cavity squamous cell carcinoma, 24 patients with t3 or t4a oral cavity squamous cell carcinoma were randomly assigned to surgery alone or docetaxel, cisplatin, and 5-fu (tpf) induction chemotherapy followed by surgery. all patients were planned to receive chemoradiothe...
background and aim: squamous cell carcinoma is the eighth common cancer and forms 94% of oral malignancies. nowadays, many molecular and genetic changes have been known to affect tumoral behavior which might be good for drug production and gene therapy. it has been known that mutated p53, overexpression of p63 as an oncogene and hpv infection are correlated with clinicopathological behavior of ...
lichenoid reactions represent a family of lesions with different etiologic factors and a common clinical and histologic appearance. lichen planus is included with lichenoid reactions and is a relatively common chronic mucocutaneous disorder. the most important complication of lichenoid reactions is the possibility of malignant transformation. that is why it has been considered a precancerous co...
background: tumor markers are substances, which quantitatively changes in serum, during the tumor development, one such tumor marker is serum β2-microglobulin (β2-m). the aim of this study was to establish the role of β2-m as a biochemical parameter for diagnosis and prognosis of oral carcinoma by estimation of serum β2-m levels in potentially malignant lesions, conditions, and oral squamous ce...
background: although color doppler ultrasonography (cdus) is useful in the diagnosis of various diseases of the head and neck, flow signals in oral malignant masses are less studied; hence the present study assesses the usefulness of color doppler ultrasonography in quantifying oral squamous cell carcinoma (oscc) vascularization. in addition, we determine the hemodynamic parameters by spectral ...
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