CT of liver cirrhosis checks _'s symptom

CT of liver cirrhosis checks _'s symptom
The liver is the substantive internal organs, because lack the density to compare with the difference, ordinary X-ray examination is difficult to distinguish and dissect structure and pathology to change. The X-ray fault of the computer scans (CT) With the magnetic resonance imaging (MRI) Wait for the instrument to have resolution ratio of higher organization's density, have offered the objective basis for the fact that the image of liver pathological change is diagnosed. CT, MRI have become the first-selected inspection method not having wound liver pathological change to screen and make a definite diagnosis of at present.
(1) Prepare before checking
Check on the same day and prohibit to eat 4- 6h. Carry on, sweep while being flat, can take 1 orally before the inspection. 5% - 3% suffused with the intersection of shadow and the intersection of liquid and 800- 1000ml, amine of Portugal, strengthen, scan, take orally warm the intersection of boiled water and 800- 1000ml only, in order to make stomach and it has small intestines to hit belly to be plentiful, avoid obscuring with lump of belly or lymph node increased, benefit the differentiation of internal organs such as the liver, gallbladder, spleen, pancreas, kidney,etc.. Use ion type the intersection of radiography and pharmaceutical strengthen person who scan, in advance should make iodine to be irritated to test; Nonionic radiography pharmaceutical ' For instance Omnipaque Iopamidol or Utravist,etc.) Strengthen, make iodine to be irritated to test seldom. In order to avoid the false shadow of sports, should train patients to be calm and breathe or feel suffocated before checking. In addition need to remove the metal ornament. At the barium should not remain sulfic acid competent the intersection of CT and scanning in the intestine, should wait for the intersection of barium and pharmaceutical arrange, try back door best to be about week) And then make CT inspection. These guarantee to scan the clear material particular of the picture.
(2) CT inspection method
CT inspection method have a lot of progress, many rows of use and the intersection of computer and the intersection of aftertreatment and upgrading of software of detector in recent years.
Until CT check, by intravenous to offer radiography CT of profit to scan, call, sweep while being flat. Keep watch on and organize organizing CT value to differ by 10Hu and probably reveal the focus in the liver with pathological change clearly at least normally generally, otherwise should check by strengthening.
1,It is flat to sweep and scan the range to carry from diaphragm to the bottom flange of liver, including the whole liver, layer thick 10mm, can add the thin layer to scan to the little focus, layer thick 2- 5mm does not have continuous scanning of interval, regulates the wide, window location of the window conscientiously, increase contrast ratio, in order to benefit focal detection.
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