this study was a part of national project to establish and optimize local and national diagnostic guidance levels. this work intends to evaluate image quality and entrance surface air kerma (esak) for patients' radiographic examinations in two north western provinces of country. two hospitals got involved in the present study. the rate of the rejected images and image quality grades were determ...

Introduction: The purpose of this study is to build homogeneous equivalent phantom chest in order to provide the necessary ability for checking the image quality in radiographic tests in four age groups of children in terms of the most recent age group categorization ICRP103. This phantom provides the features of weakness and discrepancies similar to body and can be consi...

Background:The most efficient application of ionizing radiation is serving medical purposes and using this radiation has caused people to learn that artificial sources of radiation exposure among these resources can be of highest exposure rate.  Objective: The present study is aimed at initially establishing a baseline for local-reference dose level in Mazandaran, Iran in 12 projections of the...

Trauma is the leading cause of death in young people. Radiologic evaluation of chest injuries in patients begins usually with a simple chest X-ray at the admission time. Unfortunately, chest X-ray has limited sensitivity in detecting thoracic injuries. Many thoracic injuries such as contusions, diaphragmatic injuries, pneumothorax and hemothorax are missed on chest X-ray. Computerized Tomograph...

BACKGROUND Monitoring the treatment outcomes of tuberculosis and determining the specific factors associated with unsuccessful treatment outcome are essential to evaluate the effectiveness of tuberculosis control program. This study aimed to assess treatment outcomes and explore the factors associated with unsuccessful outcomes among new pulmonary smear positive and negative tuberculosis patien...

BACKGROUND The effectiveness of screening for lung cancer with chest radiography, sputum cytology or spiral CT has not been established. OBJECTIVES To determine whether screening for lung cancer using regular sputum examinations or chest radiography or CT chest reduces lung cancer mortality. SEARCH STRATEGY Electronic databases, bibliographies, hand searching of a journal and discussion wit...