Table I. Differential Diagnosis of Liver Mass Liver of liver mass Solid Cystic Malignant disease Heptocellular carcinoma + - + + Macroregenerative/dysplastic + - + -* nodule Cholangiocarcinoma + - +/- + Hepatic adenoma + - - -* Focal nodular hyperplasia + - - - Hemangioma + - - - Fibrolemellar hepatocellular + - - + carcinoma Metastatic cancer + - - + Infantile + - - - Hemagioendothelioma Mesenchymal hamartoma + - - - Angiomyolipoma + - - - Inflammatory pseudotumor + - - - Focal fatty infiltration and + - - - focal fat sparing Hepatic abscess + - - - Echinococcal cystic disease - + - - Simple cyst - + - - Polycystic disease - + - - Cyst adenoma - + - -* Cyst adenocarcinoma - + - + Choledochal cysts (type IV - + - -* and V) * Potential for malignant transformation.
Table I. Differential Diagnosis of Liver Mass of liver mass Solid Cystic Liver disease Malignant Heptocellular carcinoma + - + + Macroregenerative/dysplastic nodule + - + -* Cholangiocarcinoma + - +/- + Hepatic adenoma + - - -* Focal nodular hyperplasia + - - - Hemangioma + - - - Fibrolemellar hepatocellular carcinoma + - - + Metastatic cancer + - - + Infantile Hemagioendothelioma + - - - Mesenchymal hamartoma + - - - Angiomyolipoma + - - - Inflammatory pseudotumor + - - - Focal fatty infiltration and focal fat sparing + - - - Hepatic abscess + - - - Echinococcal cystic disease - + - - Simple cyst - + - - Polycystic disease - + - - Cyst adenoma - + - -* Cyst adenocarcinoma - + - + Choledochal cysts (type IV and V) - + - -* * Potential for malignant transformation.
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