The exact pathogenesis of a<unk>  mass depends upon the underlying disease. Increased estrogen in hepatic adenoma stimulates hepatocytes via steroid receptors and results vascular ectasia.  While in FNH excessive release of growth factors promote growth of small arteries. Some conditions such as hemangioma, hepatic cysts are believed to be as result of genetic abnormality. Precancerous lesions are responsible for HCC, cholangiosarcoma. Hepatic abscess and echinoccosiosis are due  to infectious agents.
Liver mass pathophysiology
Cirrhosis pathophysiology
Hepatocellular adenoma causes
Pancreatic cancer pathophysiology
Liver mass causes
Ascites pathophysiology
Hepatocellular carcinoma pathophysiology
Hepatocellular carcinoma causes