Traditional Culture Encyclopedia - Photography and portraiture - What do you mean by back and forth in X-ray photos? For example, does the back front position mean that X-rays hit the chest and abdomen from behind?
What do you mean by back and forth in X-ray photos? For example, does the back front position mean that X-rays hit the chest and abdomen from behind?
Oh, yes, I have the wrong number. Please change it.
"If the chest radiograph is often in the front and back position, do we see the film from back to front or from back to front?" -Chest in front and back position. When watching the film, you need to turn the film left and right, that is, from the anatomical posture to the back. When taking pictures, there is always type, in which the word "right" represents the right side of anatomy and is placed on the left hand side of the viewer's body. Before and after the chest radiograph, or from front to back.
"For example, why can't you see the influence of the spine behind and in front of the chest?" -The spine can be seen, especially the upper thoracic vertebra. The lower thoracic vertebra can't be clearly or completely displayed due to the overlapping of mediastinum and cardiac shadow, which is related to the photo factors, and is not caused by anteroposterior or posteroanterior position.
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