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...

Context : Nordic hamstring exercise (NHE) has been widely employed to prevent strain injuries. However, it is still not clear which adaptations are responsible for the NHE preventive effects. Objectives The aim of this study was investigate effects on knee flexors eccentric strength and fascicle length. Evidence Acquisition search strategy included MEDLINE, PEDro, Cochrane CENTRAL from inceptio...

four tylenchid species, namely, aglenchus agricola, malenchus exiguus, psilenchus curcumerus, and p. terextremus are reported from iran. the iranian population of a. agricola is characterized by 542-659 µm long body, 10-12 µm long stylet, excretory pore at 70-87 µm distance from anterior end, prominent lateral fields, with four lines, tail of 170-198 long, and rare males with 15-20 µm long spic...

partment for screening colonoscopy. He had no gastrointestinal symptoms. Barium enema revealed a curiously elongated polypoid lesion, 12 cm in length, in the transverse colon (●" Fig. 1). Colonoscopy showed an elongated polyp in the transverse colon with a 4-cm long head (●" Fig. 2a) and an 8-cm long stalk (●" Fig. 2b). As the reddish head of the lesion was clearly visualized after spraying wit...

introduction: the findings of cephalometry studies are widely applied in medical and engineering fields. cephalometry measurements are affected by genetics‚ age‚ gender‚ and social‚ economic and geographic factors.this study assesses cephalometry of the neurocranium in male newborns in kermanshah,iran by an anthropometry method to confirm or reject the theory of brachycephalization (i.e., a spr...

a true estimation of gestational age (ga) plays an important role in quality maternity care and scheduling the labor date. this study aimed to evaluate the normal fetal kidney length (kl) and its correlation with ga. a cross-sectional study on 92 pregnant women between 8th and 10th week of gestation with normal singleton pregnancy underwent standard ultrasound fetal biometry and kidney length m...