نتایج جستجو برای: squamous cell carcinoma
تعداد نتایج: 1885662 فیلتر نتایج به سال:
introduction: squamous cell carcinoma (scc) is the most common head and neck malignancy. to decrease the side effects of treatment and mortality from disease relapse, careful staging for the proper treatment plan is necessary. the main purpose of this prospective study is to compare the diagnostic value of computed tomography (ct) and magnetic resonance im-aging (mri) in oral scc and its lymph ...
چکیده: کانسرهای پوستی غیرملانومی (Non-Melanoma skin Cancer (NMSC شایعترین شکل بدخیمی در انسان هستند. کارسینوم سلول بازال Basal cell carcinoma شایعترین شکل NMSC است که از کراتینوسیتهای لایه بازال منشأ میگیرد و معمولاً رشد آهسته و تهاجم موضعی دارد. کارسینوم سلول اسکواموس Squamous cell carcinoma دومین شکل شایع NMSC بوده که نئوپلاسم بدخیم کراتینوسیتها است و در آن کل ضخامت اپیدرم دچار دیسپلازی می ...
objective(s) matrix metalloproteinases comprise a family of enzyme that is able to degrade components of extra cellular matrix. there are single nucleotide polymorphisms in the promoter regions of several genes with ability to influence cancer susceptibility. the aim of this study was to analyses association between mmp2 and mmp9 promoter polymorphisms and head and neck squamous cell carcinoma ...
verrucous carcinoma is a unique clinical and pathological entity which has been recognised in the recent years. it is a variant of well-differentiated squamous cell carcinoma which may occur in the larynx; other anatomic locations such as: the oral cavity, anogenital region, and skin may be involved. it accounts for 1-2% of all laryngeal cancers. the clinical, histopathological and biologic fea...
Background and Aim: Angiogenesis plays a central role for development and progression of malignant tumors.It is considered as an important factor for predicting of malignant tumor's behavior such as metastasis to lymph nodes and other clinicopathologic factors. However , it is still a controversial factor especially in oral squamous cell carcinoma.The aim of this study was to evaluate the corre...
marjolin's ulcer following frostbite is a rare occurrence. our review of literature revealed that only 23 cases have been reported. in most instances heel is involved and the most common associated malignancy is squamous cell carcinoma. we present a 69-year-old male patient with squamous cell carcinoma arising over a frostbite scar in heel 45 years after cold injury. this case is unique with re...
background & objective: chronic non healing ulcers or scar undergoing malignant transformation is a rare phenomenon with an estimated incidence of 2%. though, numerous predisposing factors have been identified, still it is rarely diagnosed and commonly mistaken for a benign condition. the objective of this study was to verify the efficacy of the fine needle aspiration cytology/ scrape cytol...
"Muir-Torre syndrome, a subtype of Lynch is rare genetic disorder. We present the case female patient with long family and personal history who was diagnosed numerous benign malignant tumours various histology, including some sebaceous features, beginning at age 41. The majority were cutaneous tumours, treated complete resection, but they frequently recurred. Visceral cancers included endocervi...
Background and purpose: The majority of patients with cancers of the digestive system admit themselves to the health care systems in the final stages of the disease and conventional treatments do not have a major impact on the prognosis in these patients. Therefore, utilization of new methods of treatment with lower adverse effects can cause higher survival rates. In this study, the in vitro ef...
Background: Although the imbalance of cytokines in Head and Neck Squamous Cell Carcinoma (HNSCC) is well known, there is scarce data regarding its occurrence during dysplasia, before the malignant transformation. Objective: To determine whether laryngeal dysplasia patients show a different cytokine profile than patients with cancer and healthy controls. Methods: Seventeen newly diagnosed, untre...
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