it is more often chronic than not — almost never detected acutely

it is a defective virus, requiring hepatitis B confection for its own capacity to infect and replicate

virus that is endemic in equatorial regions and frequently epidemic

20% of hepatitis will develop cirrhosis

never cause chronic hepatitis, only acute hepatitis

a rare autosomal dominant syndrome associated with multiple gastrointestinal hamartomatous polyps and mucocutaneous hyperpigmentation:

most occur in children younger than 5 years and involve the rectum:

They have no malignant potential, usually smaller than 5 mm:

associated with mucocutaneous hyperpigmentation:

They are characterized by the presence of epithelial dysplasia

It is a malignant tumor:

intermittent attacks

cobblestone appearance

pancolitis

fissure and fistula tract are common

it may occur as complication of GERD

there extra-intestinal manifestations, as cholangitis

usually smaller than 10mm

transmural inflammation with lymphoid aggregates