???????? Diagnosis of Liver Disease with Ultrasound Sonography - PowerPoint PPT Presentation

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???????? Diagnosis of Liver Disease with Ultrasound Sonography

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Title: ???????? Diagnosis of Liver Disease with Ultrasound Sonography


1
???????? Diagnosis of Liver Disease
with Ultrasound Sonography
2
????????
  • ???????
  • Diffuse Liver Disease

??????? Focal Abnormalies
3
???????
  • ???????????
  • size shape capsule boundary
  • ????? liver parenchyma
  • echo pattern isoechoic homogeneous
  • ??????
  • hepatic artery portal vein hepatic veins
  • intrahepatic biliary
  • ???

4
left lobe sagittal section
5
right lobe sagittal oblique view
6
right lobe sagittal oblique view
7
Port vein (color Doppler mode)
8
Port vein (color Dopplerspectrum)
9
Hepatic artery
10
Hepatic artery (color Dopplerspectrum)
11
Hepatic vein
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Hepatic vein
13
Hepatic vein (color Dopplerspectrum)
14
Cystic lesion
  • simple hepatic cysts (congenital hepatic cysts)
  • Traumatic cysts
  • parasitic cysts
  • inflammatory cysts
  • polycystic disease
  • pseudo-cysts

15
Simple Hepatic Cysts
  • Ultrasound findings
  • The cyst walls are thin with well-defined
  • borders
  • anechoic in the cyst
  • distal posterior enhancement
  • Sometimes cysts contain fine linear
  • internal septal.

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Hepatic Abscess
  • Ultrasound findings
  • Round or ovoid shape with thick wall
  • Hypoechoic , complex , may be have a fluid
    level
  • (with some debris along the posterior margin)
  • hyperechoic with dirty shasowing (if gas is
    present)
  • posterior enhancement











18
Cavernous Hemangioma
  • ultrasound findings



















  • round , oval, or lobulated shape with well-
  • defined borders
  • hyperechoic, anechoic, mixed pattern
  • posterior enhancement

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Hepatocellular Carcinoma
  • ultrasoud findings
  • round, irregular shape
  • hypoechoic, hyperechoic, isoechoic
  • a halo surround the lesion
  • color Doppler signal was presented in the tumor
    or surround the tumor








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Metastatic Disease
  • ultrasoun findings
  • shape round or oval
  • number two or more than
  • echoic pattern various
  • color Doppler no flow inside

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Cirrhosis
  • Ultrasound findings
  • the liver size smaller
  • nodularity of the liver edge
  • parenchyma coarsening, increased
    attenuation
  • portal hypertention
  • the diameter of hepatic vein tiny and
    twist
  • severe invisible
  • hardness

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regenerating
37
HCC secondary cirrhosis
38
portal vein spectrum pattern
flatten
39
Portal hypertention
  • portosystemic venous collaterals
  • paraumbilical vein coronary vein
  • gastroesophageal vein
  • splenorenal-gastrorenal vein
  • splenomegaly
  • ascites

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ascites
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Fatty Liver (fatty infiltration)
  • Ultrasound findings
  • increased echogenicity with increased
  • atenuation ( far field )
  • hepatic vessel unclare
  • focal sparing
  • masslike hypoechoic

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Fatty Liver (fatty infiltration)
  • Ultrasound findings
  • increased echogenicity with increased
  • atenuation ( far field )
  • hepatic vessel unclare
  • focal sparing
  • masslike hypoechoic

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