Process In Non-invasive Imaging Measurement Of Emphysema

Emphysema is a kind of respiratory system diseases. It is a progressivedamage disease which performs in the following three aspects: permanentexpand of distal terminal bronchi gas cavity; the failure of Alveolar walland elastic systolic dysfunction of pulmonary. So early diagnosis andtreatment for emphysema is very important. This paper will contrast toresearch and diagnosis the imaging appearances of emphysema from theimages by X-ray, CT and MRI respectively.