introduction: about one third of the world's population is infected with tuberculosis (tb) and each year, about 1.5 to 2 million people die from tb. procalcitonin (pct) is an inflammatory marker that its level has variable materials and methods: this conducted on patients with pulmonary tb. data were collected using a check list. the serum level of pct was measured by elisa test at the beg...

conclusions the evaluation of the questionnaire for identifying the individuals in the risk of addiction showed that the questionnaire benefits from appropriate validity and reliability. therefore, it can be used in preventive fields and research. moreover, by illuminating interpersonal factors that are effective in drug abuse, proper strategies can be used to prevent drug addiction. results in...

While evidence for lung cancer screening implementation in Europe is awaited, Rapid Diagnostic Units have been established in many hospitals to accelerate the early diagnosis of lung cancer. We seek to develop an algorithm to detect lung cancer in a symptomatic population attending such unit, based on a sensitive serum marker panel. Serum concentrations of Epidermal Growth Factor, sCD26, Calpro...

BACKGROUND Recently many long-term prospective studies have involved serial collection and storage of blood or tissue specimens. This has spurred nested case-control studies that involve testing some specimens for various markers that might predict cancer. Until now there has been little guidance in statistical design and analysis of these studies. METHODS To develop statistical guidelines, w...

The role of beta-catenin in breast cancer and its prognostic value is controversial. The prognostic value had been assessed previously in a series of nonquantitative immunohistochemical studies with conflicting results. In efforts to clarify the relationship between beta-catenin protein expression and breast cancer prognosis, we have assessed a retrospective 600 case cohort of breast cancer tum...