نتایج جستجو برای: neoplasm
تعداد نتایج: 182645 فیلتر نتایج به سال:
cell free dna (cfdna) is a genetic biomarker that is present in serum or plasma in high concentration in many types of cancer. identification of circu-lating cancer related dna molecules in serum or plasma is a non-invasive tool for early diagnosis and prognosis in many cancer patients. for this review, study selection and data extraction were performed by the authors. detection of point mutati...
the gastrointestinal stromal tumor (gist) is a rare mesenchymal tumor of gastrointestinal (gi) tract. this tumor has tendency to liver metastasis and peritoneal recurrence, however; the primarily lymph node involvement or metastasis is rare. here we reported a 17-years-old girl with multifocal gastric gist and multiple lymph node involvement at presentation and recurrence in celiac lymph nodes....
background lung cancer is one of the most common causes of death worldwide. although smoking and environmental pollutants are the most important risk factors of lung cancer, the role of infectious causes should also be considered in the pathogenesis and progress of lung cancer. objectives this study examined the relationship between helicobacter pylori and lung cancer through serology, real-tim...
this study was performed to determine the incidence and anatomo-pathological aspects of the reproductive system tumors in commercial laying hens. post mortem examination of 1041 laying hens revealed neoplasms of the ovaries and the oviduct in 52 (4.99%) cases. from these, ovarian adenocarcinoma was found in 14 cases, granulosa cell tumor in 7 cases, theca cell tumor in 1 case and marek's diseas...
introduction: few studies on benign soft tissue tumors of oral cavity have been conducted in an iranian population. the purpose of this study was to evaluate the prevalence of the benign soft tissue tumors of the oral cavity in three central pathology centers of rasht, iran. materials and methods: in this retrospective study, all benign soft tissue tumors of the oral cavity, were retrieved from...
background post-traumatic stress disorder (ptsd) comprises a collection of symptoms following exposure to injury-causing accidents of life. it is estimated that the prevalence of ptsd in children with malignancy and their parents is between 10-30% and even several years after treatment of malignancy this disorderremain in 20-20% of these patients. objectives this study investigated the prevalen...
follicular thyroid carcinoma (ftc) is the second most common type of thyroid cancer after papillary carcinoma. it usually grows slowly and is clinically indolent; but rarely, its aggressive forms with distant metastases can occur. we report here an uncommon case of bilateral orbital metastasis of ftc. a 70-year-old woman presented with bilateral exophtalmus and past medical history of thyroid n...
inverted papillomas of the nose and paranasal sinuses are uncommon neoplasms, characterized by their tendency to occur and by their association with malignancy. in the past decade there has been a trend toward the use of endoscopic surgical techniques in the management of these tumors. this article presents the results of a prospective study of24 patients with inverted papilloma resected by the...
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