Items tagged “liver”

219 results found
Article

Budd-Chiari syndrome

Budd-Chiari syndrome, also known as hepatic venous outflow obstruction (HVOO), refers to the clinical picture that occurs when there is partial or complete obstruction of the hepatic veins. It is characterized on imaging by ascites, caudate hypertrophy, peripheral atrophy, and prominent collater...
Article

Cholangiocarcinoma

Cholangiocarcinoma is a malignant tumor arising from cholangiocytes in the biliary tree. It tends to have a poor prognosis and high morbidity. It is the second most common primary hepatic tumor, with intrahepatic cholangiocarcinomas (ICCs) accounting for 10-20% of primary liver tumors. Epidemio...
Article

Cirrhosis

Cirrhosis (rare plural: cirrhoses) is the common endpoint of a wide variety of chronic liver disease processes which cause hepatocellular necrosis. Cirrhosis can be diagnosed with ultrasound, CT, and MRI, and these imaging modalities can also be used to evaluate for possible complications of cir...
Article

Focal hepatic steatosis

Focal hepatic steatosis is common and seen in a number of clinical settings, essentially the same as those that contribute to diffuse hepatic steatosis: diabetes mellitus obesity alcohol abuse exogenous steroids drugs (amiodarone, methotrexate, chemotherapy) IV hyperalimentation In genera...
Article

Hemochromatosis

Hemochromatosis is an iron overload disorder characterized by a progressive increase in total body iron stores and deposition of iron in some non-reticuloendothelial system (RES) body organs which results in some instances in organ dysfunction. This article focus on the general principles of he...
Article

Hepatocellular carcinoma

Hepatocellular carcinoma (HCC) is the most common primary malignancy of the liver. It is strongly associated with cirrhosis, from both alcohol and viral etiologies. HCC constitutes approximately 5% of all cancers partly due to the high endemic rates of hepatitis B infection 1. Epidemiology HCC...
Article

Hypervascular liver lesions

Hypervascular liver lesions may be caused by primary liver pathology or metastatic disease. Differential diagnosis Primary lesions hepatocellular carcinoma (HCC) most common hypervascular primary liver malignancy early arterial phase enhancement and then rapid wash out rim enhancement of c...
Article

Mallory bodies

Mallory bodies are cytoplasmic eosinophylic inclusions in hepatocytes, associated with ballooning and inflammation, found in: alcoholic fatty liver disease and hepatitis non-alcoholic fatty liver disease hepatocellular carcinoma (HCC) primary biliary cirrhosis (PBC) cholestasis
Article

Portal hypertension

Portal hypertension is defined as portal venous pressure greater than 12 mmHg. Pathology Causes can be split in their relation to the hepatic sinusoids: presinusoidal portal vein thrombosis extrinsic compression of portal vein Schistosomiasis (S. mansoni or S. japonicum) sinusoidal cirrh...
Article

Hepatic hydatid infection

Hepatic hydatid disease a parasitic zoonosis caused by the Echinococcus tapeworm. In the liver, two agents are recognized as causing disease in humans: Echinococcus granulosus Echinococcus multilocularis For a general discussion, and for links to other system-specific manifestations, please ...
Article

Variant hepatic arterial anatomy

Variation in hepatic arterial anatomy is seen in 40-45% of people. Classic branching of the common hepatic artery from the celiac artery, and the proper hepatic artery into right and left hepatic arteries to supply the entire liver, is seen in 55-60% of the population.  Terminology An accessor...
Article

Liver

The liver is the largest abdominal organ that plays a major role in metabolism and has a number of functions, including glycogen storage, decomposition of red blood cells, plasma protein synthesis, hormone production, and detoxification. It is one of the very few organs that has the ability to r...
Article

Falciform ligament

The falciform ligament is a broad and thin peritoneal ligament. It is sickle-shaped (Latin: "falciform") and a remnant of the ventral mesentery of the fetus. It is situated in an anteroposterior plane but lies obliquely so that one surface faces forward and is in contact with the peritoneum beh...
Article

Hepatomegaly

Hepatomegaly refers to an increase in size or enlargement of the liver.  Pathology Etiology Hepatomegaly can result from a vast range of pathology including, but not limited to, the following: malignancy/cellular infiltrate multiple metastases lymphoma(s) leukemia(s) hepatocellular carci...
Case

Focal nodular hyperplasia - very large

FNH Arterial
 Diagnosis almost certain
Dr Natalie Yang
Published 15 Aug 2009
56% complete
CT
Article

Focal nodular hyperplasia

Focal nodular hyperplasia (FNH) is a regenerative mass lesion of the liver and the second most common benign liver lesion (most common is a hemangioma). Many FNHs have characteristic radiographic features on multimodality imaging, but some lesions may be atypical in appearance. FNHs are typicall...
Case

Epiploic appendagitis and fatty liver

Epiploic appendag...
 Diagnosis almost certain
Dr Natalie Yang
Published 20 Aug 2009
62% complete
CT
Article

Diffuse hepatic steatosis

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. Terminology The term 'fatty infiltration of the liver' is often erroneously used to describe live...
Case

Submassive hepatic necrosis

Hepatic necrosis T2
 Diagnosis almost certain
Dr Natalie Yang
Published 24 Aug 2009
56% complete
MRI
Case

Hepatocellular carcinoma

 Diagnosis almost certain
Dr Natalie Yang
Published 24 Aug 2009
45% complete
CT

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