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29 Cards in this Set
- Front
- Back
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CT appearance of pancreatic pseudocyst
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fibrous capsule surrounding a fluid clxn
usually seen 6wks after pancreatitis |
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who gets mucinous cystic neoplasm
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95% women (contains ovarian stroma)
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CT appearance of mucinous cystic neoplasm
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multiloculated cysts with thin septa
no communication with ductal system seen in pancreatic tail |
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CT appearance of serous cystadenoma
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well circumscribed mass made up of innumerable small cysts
central calcified stellate scar |
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medical conditions associated with serous cystadenoma
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VHL >> ADPCKD > cystic fibrosis
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IPMN
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neoplasm arising from epithelial lining of pancreatic ducts, which creates increased mucin released into pancreatic duct --> ductal diatation
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complications of acute pancreatitis
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pseudoaneurysm (--> hemorrhage)
thrombosis of splenic vein pseudocyst phlegmon necrosis |
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which pts have increased likelihood of pancreatic calcifications
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seen in EtOH induced chronic hancreatitis and hereditary pancreatitis
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complication of chronic pancreatitis
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atrophy, calcifications, strictures/dilatation of pancreatic ducts
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what types of disease can give rise to pancreatic lymphoma
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non-hodgkins
AIDS |
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CT appearance of pancreatic lymphoma
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homogeneous tumor
hypodense to muscle weak enhancement will see a bulky mass without ductal dilatation |
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what was the fissure for the ligamentum venosum in fetal life
where is it located |
carried O2 from umbilical vein --> IVC
found between umblical vein and IVC |
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where is the ligamentum teres
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within the falciform ligament
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what is the landmark that separates the right and left lobes of the liver
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vertical line drawn from:
IVC, GB fossa, and middle hepatic vein |
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how do the hepatic veins drain the liver to reach the IVC
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the MHV and LHV join together prior to reaching IVC
RHV drains to IVC separately |
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how is the caudate lobe drained
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separate veins (short hepatic veins) drain caudate lobe directly to IVC
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how is the left lobe of liver divided into medial and lateral segments
what separates inferior frmom superior in left lobe |
the LHV separates medial and lateral
left portal vein |
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what separates the anterior and posterior segments of the right lobe of the liver
superior and inferior? |
RHV
right portal vein |
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what is 3rd inflow
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chronic conditions that --> focal metabolic changes in liver parenchyma
small areas of liver that are supplied by systemic aberrent veins and |
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how might 3rd inflow manifest
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may present as focal steatosis or focal fatty sparing
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where is focal fatty sparing seen
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liver parenchyma adj to GB
dorsal aspect of segment IV adj to lig teres |
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3 types of cirrhotic nodules
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dysplastic
regenerative HCC |
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how to dx portal HTN on CT
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portal vein >13 mm
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Budd Chiari syndrome
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obx of IVC or main hepatic vein
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when is budd chiari seen
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pregnancy
coc polycythemia vera |
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changes to liver in budd chiari
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caudate lobe enlarges b/c of separate drainage to hepatic vein
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malignancies with hypervascular liver mets
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Melanoma
RCC ChorioCA Pheo Thyrodi Islet Cell Carcinoid |
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are colon CA mets hypo or hypervascular
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hypovascular
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cystic or necrotic mets
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lung
melanoma carcinoid mucinous colon |
