Liver Cancer Flashcards
what is common and what are rare
primary adenomas and carcinomas rare; more often to get metastasis from somewhere else
what are benign lesions
hemangioma focal nodular hyperplasia hepatic adenoma hydatid cysts polycystic liver disease
what is hemangioma
common in non-cirrhotic pateints
well demarcated spot on US; usually asymptomatic
no treatment
what is focal nodular hyperplasia
central scar containing large artery, radiating branches to large periphery
what presents histiologically with FNH
sinusoids, dile ductules and kupffer cells
who does FNH affect
young and middle-aged women; usually asymptomatic
what does FNH look like on US and CT
nodule with varying echogenicity on US and hypervascular mass with central scar on CT
no treatment
what is hepatic adenoma associated with
women
glycogen storage disease and oral contraceptive pill
what is symptom of hepatic adenoma
often asymptomatic, may have RUQ pain
how to diagnose hepatic adenoma
US (filling defect), CT (diffuse arterial enhancement)
how to treat hepatic adenoma
stop hormones, weight loss
males - always surgery
female - surgery if >5cm
complication of hepatic adenoma
can rupture or bleed
what causes hydatid cysts
echinococcus granulosus
eastern europe, central america, south america, middle east and north africa
farmers - sheep parasites?
what may patients with hydatid cysts present with
disseminated disease or erosion of cyst into adjacent structure and vessels (IVC)
what treatment used in hydatid cysts
surgery - open cystectomy or pericystectomy
medical - albendazole
percutaneous drainage
