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Simple hepatic cysts are benign developmental lesions that do not communicate with the biliary tree 2. The theory regarding the origin of true hepatic cysts is that they originate from hamartomatous tissue.
Cystic lesions of the liver carry a broad differential diagnosis: simple cysts. simple hepatic cyst; biliary hamartoma; Caroli disease; adult polycystic liver disease; ciliated hepatic foregut duplication cyst 6; infectious: inflammatory conditions. hepatic abscess. pyogenic hepatic abscess; amoebic hepatic abscess; hepatic hydatid cyst ...
Hepatic abscesses can occur via different routes such as 16: hematogenous spread of infection via the portal vein or hepatic arteries. biliary spread of infection from ascending cholangitis or cholecystitis. direct inoculation in the setting of penetrating trauma or iatrogenic following a procedure. Bacteria
A biliary cystadenoma appears as a unilocular or multilocular cyst with enhanced through transmission. The content of the cysts may range from completely anechoic to having low-level echoes from blood products, mucin, or proteinaceous fluid.
Renal cysts are usually evaluated by complexity: a "simple" cyst is confidently diagnosed as a benign finding, while complicated or complex lesions with enhancing components are suspicious for malignancy.
Hepatic hemangiomas or hepatic venous malformations are the most common benign vascular liver lesions. They are frequently diagnosed as an incidental finding on imaging, and most patients are asymptomatic. From a radiologic perspective, it is important to differentiate hemangiomas from hepatic malignancy.
Diffuse hepatic steatosis, also known as fatty liver, is a common imaging finding and can lead to difficulties assessing the liver appearances, especially when associated with focal fatty sparing. On this page:
multiple hepatic cysts: no enhancement or mural nodules; can be hyper-dense/intense due to blood or infection. hepatocellular carcinoma (HCC): hypervascular, more often solitary, possible hypoechoic US halo, cirrhotic liver, vascular invasion. focal nodular hyperplasia (FNH) often younger patients. central scar, with persistent delayed enhancement
Multiple biliary hamartomas (MBH) are a rare cause of multiple benign hepatic lesions. The condition is also known as von Meyenburg complexes, multiple bile duct hamartomas, or biliary microhamartomas. Multiple biliary hamartomas are asymptomatic and usually found incidentally.
Peribiliary cysts occur in the setting of chronic liver disease where it is a rare, benign, and often asymptomatic disorder. They consist of cystic formations around the intrahepatic biliary ducts, primarily in a hilar distribution.
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