The purpose of this paper is to introduce the basic steps of X-ray image interpretation of aviation castings,so as to provide a learning guidance for beginners and reduce the exploration time.Among them,the introducti...The purpose of this paper is to introduce the basic steps of X-ray image interpretation of aviation castings,so as to provide a learning guidance for beginners and reduce the exploration time.Among them,the introduction of specifications,the requirements for image quality,and the application of reference radiographs are just a sorting out the key points.If there is a need for practical application,we should conduct a deeper exploration and understanding of each specification,not just cite this article.展开更多
OBJECTIVE: To discuss the clinical criteria for diagnosing diffuse axonal injury (DAI). METHODS: Clinical and computed tomographic features of 117 patients with severe closed head injury were analyzed. The authors pre...OBJECTIVE: To discuss the clinical criteria for diagnosing diffuse axonal injury (DAI). METHODS: Clinical and computed tomographic features of 117 patients with severe closed head injury were analyzed. The authors preliminarily put forward CT diagnostic criteria of DAI, that is, 1) single or multiple small intraparenchymal hemorrhages in the cerebral hemispheres (展开更多
文摘The purpose of this paper is to introduce the basic steps of X-ray image interpretation of aviation castings,so as to provide a learning guidance for beginners and reduce the exploration time.Among them,the introduction of specifications,the requirements for image quality,and the application of reference radiographs are just a sorting out the key points.If there is a need for practical application,we should conduct a deeper exploration and understanding of each specification,not just cite this article.
文摘OBJECTIVE: To discuss the clinical criteria for diagnosing diffuse axonal injury (DAI). METHODS: Clinical and computed tomographic features of 117 patients with severe closed head injury were analyzed. The authors preliminarily put forward CT diagnostic criteria of DAI, that is, 1) single or multiple small intraparenchymal hemorrhages in the cerebral hemispheres (
