Ultrasound appearances of hepatic metastases
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was changed:
Liver metastases - ultrasound(ultrasound appearances)
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Ultrasound appearance of liver metastases can have bewildering bewildering variation.
Patterns do exist between ultrasound appearance of the liver metastases and the likely primary, which is sometimes helpful in directing a search for an unknown primary, as well as helping distinguish between benign lesions and metastatic disease from a particular primary:
- hypoechoic: most common ~65%
- hyperechoic
- peripheral halo: a hypoechoic halo is a concerning feature
- common in many
- lung cancer
- calcified
- mucinous adenocarcinoma
- gastrointestinal
- ovarian mucinous adenocarcinoma
- mucinous adenocarcinoma
- cystic
- poorly defined (infiltrative)
- associated intrahepatic biliary dilation
Contrast-enhanced ultrasound
May be useful to increase conspicuity of lesions and/or guide biopsy
- arterial phase: variable depending on primary
- hypovascular: gastrointestinal, ovarian, pancreatic adenocarcinoma
- hypervascular: neuroendocrine, melanoma, renal
- portal venous phase
- "wash out" (decreased echogenicity relative to background liver); may be the most useful phase for detection
-<p><strong>Ultrasound appearance of liver metastases</strong> can have bewildering variation.</p><p>Patterns do exist between ultrasound appearance of the <a href="/articles/hepatic-metastases-1">liver metastases</a> and the likely primary, which is sometimes helpful in directing search for an unknown primary, as well as helping distinguish between benign lesions and metastatic disease from a particular primary:</p><ul>- +<p><strong>Ultrasound appearance of liver metastases</strong> can have bewildering variation.</p><p>Patterns do exist between ultrasound appearance of the <a href="/articles/hepatic-metastases-1">liver metastases</a> and the likely primary, which is sometimes helpful in directing a search for an unknown primary, as well as helping distinguish between benign lesions and metastatic disease from a particular primary:</p><ul>
-<li><a href="/articles/pancreatic-ductal-carcinoma">pancreatic adenocarcinoma</a></li>- +<li><a href="/articles/pancreatic-ductal-adenocarcinoma-2">pancreatic adenocarcinoma</a></li>
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