introduction in computed tomography (ct) technology, an optimal radiation dose can be achieved via changing radiation parameters such as ma, pitch factor, rotation time and tube voltage (kvp) for diagnostic images. materials and methods in this study, the brain, abdomen, and thorax scaning was performed using toshiba 16-slice scannerand standard aapm and ctdi phantoms. aapm phantom was used for...

Irma Nykänen1,2,3* Tiina H Rissanen4 and Sirpa Hartikainen1,3 1Kuopio Research Centre of Geriatric Care, University of Eastern Finland, Kuopio, Finland 2Research Centre for Comparative Effectiveness and Patient Safety (RECEPS), University of Eastern Finland, Kuopio, Finland 3School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland 4Institute of Public Healt...

Background: Patient radiation doses from computed tomography (CT) are increasing due to the number of CT examinations performed every day. The aim of this study was assess and evaluate patient radiation doses for adult’s common CT examinations to derive local diagnostic guidance levels for common CT examinations. Materials and Methods: Volume and weighted computed tomography dose index (C...

conclusions our case report showed the therapeutic effect of rhepo in complete curing of povl. regarding the side effects of epo such as thrombogenic effects or mild hemodynamic changes like transient sinus tachycardia during infusion, it seems that beneficial effects of epo is more than its disadvantages and expenses, for patients with povl. case presentation our patient was a 61-year-old man,...

cyclosporine (csa) is a drug that has been used for prevention of kidney transplant rejection for many years. diltiazem with the inhibition of cyclosporine metabolism and clearance will increase csa concentration and csa dose can be decreased. the aim of this study was the evaluation of diltiazem effect on csa dose adjustment with respect to c2. forty stable renal transplant patients who were r...

Introduction:   The aim of this study is to investigate the effect of respiratory motion during radiation therapy in patient with lung cancer and comparison of dosimetric parameters between Intensity modulation radiation therapy and three-dimensional conformal radiotherapy in lung cancer.   Materials and Methods:   Two CT scan was performred for each pati...

Introduction:   Radiotherapy with or without surgery plays an important role in the treatment of patients with esophageal cancer. In the treatment planning of esophageal cancer, usually normal lung volume was observed in the treatment fields and probably received high radiation dose. The incidence of radiation pneumonitis (RP) after radiotherapy (RT) for sensitive organ of lu...

Objective(s): Size specific dose estimate (SSDE) is a new parameter that includes patient size factor in its calculation. Recent studies have produced mixed results on the utility of SSDE, especially when automatic exposure control (AEC) was used. The objective of the study was to find out if there is a relationship between patient size and each of the parameters, SSDE...