نتایج جستجو برای: squamous cell carcinoma
تعداد نتایج: 1885662 فیلتر نتایج به سال:
چکیده ندارد.
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 cervical cancer is the leading cause of death from cancer in under-developed countries. human papilloma virus (hpv) 16 and 18 are the most prevalent types associated with carcinogenesis in the cervix. conventional polymerase chain reaction (pcr), type-specific and consensus primer-based pcr followed by sequencing, restriction fragment length polymorphism (rflp) or hybridization by sp...
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...
human papillomavirus (hpv) has also been suggested as an etiology of esophageal squamous cell carcinoma (scc). the aim of this study was to investigate the prevalence of hpv infection in esophageal sccs in our region with strict contamination control to prevent false positive results. thirty cases of esophageal squamous cell carcinomas were chosen by simple random selection in a period of two y...
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...
purpose : to describe a case of bilateral squamous cell carcinoma in right nasal and left temporal conjunctiva, simulating bilateral pterygium case report : a reddish fibrovascular pterygium-like lesion was observed in the nasal side of bulbar conjunctiva on the right eye and temporal conjunctiva of the left eye. medical examination not revealed any coexistent malignancy elsewhere excisional bi...
purpose : to assess the results of brachytherapy in patients with recurrent or incomplete excised conjunctival squamous cell carcinoma (scc) and malignant melanoma. methods : three patients underwent brachytherapy of one eye and one patient underwent brachytherapy of both eyes with ruthenium-106 (ru-106) plaques, all of them had a history of incomplete resection or recurrence of the tumor after...
background and objective: oral cancer accounts for less than 3% of all cancers. despite recent improvement in diagnostic and treatment methods, the overall survival of the disease is unfavorable. several studies have been performed to assess factors influencing lymph node metastasis and prognosis. the aim of this study was to evaluate some clinical and pathological factors influencing lymph nod...
lichen planus (lp) is a chronic inflammatory disease of probable immune-based etiology. the pathogenesis of lp is unclear, but apoptotic changes in epidermal (epithelial) cells have been reported. destruction of the basal cell layer is observed and many changes in cell proliferation, cell repair and cell death occur in the injured mucosal epithelium. the aim of this study was to evaluate and co...
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