الفهرس 
INTRODUCTION AND AIM OF THE WORKOnly 14 pages are availabe for public view
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Abstract
This is adescriptive cross-sectional study of children aged from birth till 12 years who clinically diagnosed as pneumonia done in pediatric department and neonatal care unit in Sohag University Hospital in the period from 1-8-2015 to 31-1-2016 .
History had been studied and clinical presentation of children who were presented with symptoms of pneumonia and all of them who were diagnosed as pneumonia had an chest x ray followed by chest ultrasound and comparison of findings were compared .
It was found that lung ultrasound was more accurate than chest x-ray in the diagnosis of pneumonia and its complications as pleural effusion .
It was suggested that lung ultrasound is an alternative tool to chest radiography in the diagnosis of pneumonia in children and that the follow up of patients with pneumonia by LUS can reduce the exposure of children to ionizing radiation.
from this study we recommend firstly; informing pediatricians to ask for chest ultrasound in a suspected cases of pneumonia in order to avoid and decrease the harmful risk of exposure to ionizing radiation, secondly: to be careful in clinical diagnosis of pneumonia in order not to cost patients money unless in need for ultrasound.
Chest ultrasound is an area of active research and more studies can give us useful data and results which may improve health in the world.
Conclusion
Our study showed a high detection rate for LUS in identifying pneumonia in children. It also may be a promising tool for the follow up of patients with pneumonia.
We suggest that LUS is an alternative tool rather than complementary tool to chest radiography in the diagnosis of pneumonia in children and its use can reduce the exposure of children to ionizing radiation.