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Liver and intrahepatic bile ducts-nontumor

Diagnostic patterns - differential diagnosis


Reviewers: Komal Arora, M.D. (see Reviewers page)
Revised: 9 April 2012, last major update April 2012
Copyright: (c) 2004-2012, PathologyOutlines.com, Inc.

General
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● Adopted from Mills: Sternberg's Diagnostic Surgical Pathology (5th Ed, 2009) and earlier editions

Lobular lymphocytic infiltrate: acute viral hepatitis (A, B, C, delta virus, CMV, EBV), autoimmune hepatitis, extramedullary hematopoiesis (not actually lymphocytes), leukemia, lymphoma, mastocytosis, primary biliary cirrhosis

Lobular neutrophilic infiltrate: alcoholic hepatitis, post-surgical, viral hepatitis, sepsis

Portal lymphoplasmacytic infiltrate with minimal lobular inflammation or degeneration/necrosis: resolving acute hepatitis, autoimmune hepatitis, chronic bile duct obstruction, graft versus host disease, leukemia/lymphoma, area adjacent to granuloma or neoplasm, primary biliary cirrhosis, primary sclerosing cholangitis, graft rejection, hepatitis B or C, Wilsonís disease, steatohepatitis
● Variable involvement of portal tracts suggests primary biliary cirrhosis, hepatitis C, steatohepatitis
● Extensive piecemeal necrosis suggests autoimmune hepatitis; lack of eosinophils or plasma cells makes hepatitis C or Wilsonís disease less likely
● Exclusive lymphocytic infiltrate favors hepatitis C
● Bile duct loss and bile ductular proliferation favor primary biliary cirrhosis or primary sclerosing cholangitis
● Granulomas favor primary biliary cirrhosis

Portal neutrophilic infiltrate with minimal lobular inflammation or degeneration/necrosis: ascending cholangitis, acute biliary tract obstruction, hyperalimentation, medication reaction, viral hepatitis

Hepatocellular necrosis with minimal inflammation: ischemia, fulminant hepatitis, drug/toxin reaction, trauma, acute hepatitis in immunocompromised, hepatic venous outflow obstruction, epithelioid hemangioendothelioma

Congestion/hemorrhage: venous outflow disease, Budd-Chiari syndrome, congestive heart failure, angiosarcoma or epithelioid hemangioendothelioma, nodular regenerative hyperplasia, peliosis hepatis

Pigments: bile (green-brown, usually in bile ducts or bile canaliculi, usually centrilobular), iron (gold-brown, usually periportal but centrilobular with congestive liver disease, in hepatocytes in primary hemochromatosis, in Kupffer cells secondary to hemolysis, iron overload or hepatocyte necrosis; highlighted with Prussian blue stain), lipofuscin (brown, in centrilobular hepatocytes, highlighted with Fite stain), gold (brown-black in Kupffer cells in arthritis patients), thorium dioxide / Thorotrast (gray-blue in Kupffer cells)

Inclusions: adenovirus, alpha-1-antichymotrypsin, alpha-1-antitrypsin deficiency, amylopectin, CMV, glycogen nuclei, herpes, Malloryís hyaline, macrovesicular steatosis, microvesicular steatosis

Fatty change with no/mild necrosis: alcoholic steatohepatitis, fatty liver of pregnancy, biopsy associated, hepatocellular adenoma or carcinoma, drug/toxin reaction, metabolic disease (features defined by specific disease), nonalcoholic steatohepatitis, nonspecific, Wilsonís disease

Nearly normal biopsy: hepatoportal sclerosis, drug/toxin reaction, missed lesion, nodular regenerative hyperplasia, metabolic diseases

Loss of bile ducts: mild to moderate if less than 0.9 bile ducts per portal tract; severe if less than 0.6 bile ducts per portal tract
● Causes include chronic biliary tract obstruction, primary biliary cirrhosis, primary sclerosing cholangitis, paucity in neonates, idiopathic adult ductopenia, drug reaction (Augmentin), ischemia, chronic graft versus host disease, chronic graft rejection (Pathol Res Pract 2005;201:565)

Loss of central veins: sampling error, cirrhosis, hepatocellular adenoma or carcinoma, nodular regenerative hyperplasia (central veins present but difficult to see)
Loss of hepatocytes: massive hepatic necrosis / fulminant hepatitis
Loss of portal tracts: sampling error, cirrhosis, hepatocellular adenoma or carcinoma
Loss of portal veins but portal tracts present: hepatoportal sclerosis
Loss of sinusoids: metabolic storage diseases, cirrhosis

End of Liver and intrahepatic bile ducts-nontumor > Diagnostic patterns - differential diagnosis


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