نتایج جستجو برای: cell carcinoma
تعداد نتایج: 1881272 فیلتر نتایج به سال:
acinic cell carcinoma arising in salivary glands is a rare tumor, accounting for 2% to 5% of the primary neoplasms of the parotid gland. when these tumors are well-differentiated, the neoplasia has innocuous aspect, due to the similarity to normal parotid tissue. this makes the diagnosis difficult. initially the malignancy of this tumor was uncertain; however, recent studies have declared it as...
Background and Aim: Microscopic differentiation between well differentiated squamous cell carcinoma and verrucous carcinoma is very difficult. As these lesions have different clinical course and treatment a reliable method to help distinguish between them is necessary. The basement membrane in oral verrucous carcinoma is generally intact whereas in oral squamous cell carcinoma is mostly discont...
Basal cell carsinoma is the most frequent skin tumor of the white people & radiotherapy is one of it’s known etiology. To determine the correlation of histopathologic type of basal cell carcinoma with previous history of radiotherapy. Evaluation of retrospective inpatient & outpatient histopathologic & clinical files in Department of dermatology Loghman Hospital Tehran (between 1987 &n...
مادیان و شناخته شده میباشد. عمدتا تومور, گاو,بز,در گوسفند(s.c.c) مقدمه : کارسینوم سلول های سنگفرشی در مناطقی از پوست که فاقد پشم یا مو میباشند و در معرض نور مستقیم خورشید قرار دارند بیشتر دیده میشود.در مورد اتیولوژی و ایجاد دایمرهای پیریمیدین در سلولهای پوششی پوست اشاره کرد.(uv) تومور میتوان به تششع نور خورشید بیشترین گزارشات مربوط به کشور کنیا میباشد. ضایعه فوق در فرج ممکن است حالت اولسراتیو ی...
squamous cell carcinoma (scc) is the second most common type of skin cancer with potential risks for metastasis and recurrence if left untreated or incompletely excised. this case series study was designed to determine the frequency of incompletely excised sccs and the related risk factors. a total of 273 sccs (253 patients) excised in razi dermatology hospital of tehran from 2006-2008, were ev...
malignant tumors of pancreas are usually primary neoplasms and pancreatic metastases are rare findings. we are reporting a case of squamous cell carcinoma (scc) of the esophagus with pancreatic metastasis. a 59-year old woman was admitted with chief complaint of abdominal pain and mass. she was a known case of esophageal scc since 4 years before when she had undergone transthoracic esophagectom...
background and objectives: rcc is one of the most common genitourinary cancers. accurate prediction of prognosis would be valuable for adjuvant trial design, counseling and effectively scheduling follow up visits. p53 is a tumor suppressor gene that expresses a protein that involved in both cell-cycle arrests after dna damage and apoptosis. presence of mutated p53 protein in tumors has been rel...
conclusions prognosis of this type of tumor, apart from its size and differentiation level, depends on infiltration in tumor-surrounding tissue, perineural and perivascular spread. therefore, it is always necessary to analyze the removed skin especially on margins. introduction squamous cell carcinoma is the most common type of lip and oral cavity cancers. in majority of cases it follows quite ...
squamous cell carcinoma (scc) of the buccal mucosa accounts for 23% to 37% of all intraoral cancers, the prognosis is generally poor. we reported a case of local invasion of buccal squamous cell carcinoma. a 32-year-old man referred to the clinic with a chief complaint of swelling in the right cheek region that initiated from 6 months ago and rapidly grow from one month ago. history of the pati...
patients. in this disease the risk of many malignancies is increased, of which the most important is non- hodgkin lymphoma of the small intestine. other malignancies include adenocarcinoma of the small intestine and squamous cell carcinoma of the esophagus. to the best of our knowledge, thus far only one case of celiac disease associated with hypopharyngeal squamous cell carcinoma has been repo...
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