Cirrohsis Flashcards
Global prevalence of cirrhosis from autopsy studies ranges from ___% to ___% of the general population.
4.5
9.5
Estimates - more than _______ adult in the world would be affected with chronic liver disease.
fifty million
Globally, ________,_______, and ___________ currently are the most common causative factors.
alcohol, NASH and viral hepatitis
Cirrhosis is a chronic liver disease characterized by:
(1)____________ with __________/_________
(2)Diffuse _______________ varying between _______ - __________
(3)Disruption of the _____________.
Bridging fibrosis
delicate bands/septae.
parenchyma regenerative nodules
<3mm - >3mm
normal architecture
Focal injury followed by fibrosis is cirrhosis
T/F
F
Focal injury followed by fibrosis is not cirrhosis
Cirrhosis
The injury & fibrosis are ___________ and ____________
diffuse and irreversible
Cirrhosis
Parenchyma damage leading to ___________ of ___________ with _____________ between vascular inflow and outflow channels
reorganization of vascular channels
abnormal interconnections
Classification of cirrhosis
Morphological-
based on __________
(Can or Cannot?) distinguish the aetiological agents
____________
________________
size of nodule
Cannot
Micronodular
macronodular
Classification of cirrhosis
Aetiological
____________
________ disease
______ disease
_______, _______________
________ disorders
viral hepatitis. {B,C,D}.
Alcoholic liver
Biliary
Obesity; insulin resistance
Metabolic
Classification of cirrhosis
Metabolic disorders:
Primary ___________,
_______ disease
__________ deficiency
________ obstruction
Cryptogenic
Others-galactosemia, tyrosinosis, drug induced.
haemochromatosis
Wilson’s
Alpha 1 antitrypsin
Venous outflow
Pathogenesis of Cirrhosis
The major process in cirrhosis is ___________ in the liver which is ________.
The source of this is ___ cells ( __________ cells)found normally in the __________
deposition of collagen; progressive
Ito; hepatic stellate ; space of Disse
Pathogenesis
______ cells have been implicated as the major source of excess collagen formation in cirrhosis.
During the process of cirrhosis, _______ become transformed to ________ cells.
They lay down _______ types _____ and _____
Ito
Ito cells
myofibroblast-like
collagen
I & III
Normally ito cells stores _____
Vitamin A
Hepatic stellate cells are stimulated by
directly by _______
indirectly through ________
activated by endogenous cells like _____ cells, _______ cells, hepatocytes or bile ductular epithelial cells can also produce cytokines
_________ of _______.
toxins; cytokines
kupffer; endothelial
disruption of ECM
Cirrhosis
The collagen are deposited in the ____ forming _________ and later to __________
lobule
delicate fibrils
broad fibrous septae
Hepatocyte regeneration
With the continuous ________ of ________ and __________ the remaining hepatocytes are stimulated to regenerate
These form ________ separated by the ____________
damage of hepatocytes and fibrosis
nodules; fibrous septae
Fibrosis + nodules lead to :
Impaired _________
Impaired ______________ and _______ functions
Impaired ____________(________)
blood supply
hepatocyte secretory; synthetic
bile flow (cholestasis)
Clinico-pathologic correlation/complications
Asymptomatic
Symptomatic - non specific symptoms such as anorexia, weight loss, weakness, _________,_________, features of _____ failure
Hepato-pulmonary syndrome-impaired _________ due to imbalance of ___________
osteoporosis, debilitation; liver
oxygenation
pulmonary blood flow
complications of Cirrhosis
Progressive _________
____________ carcinoma
________________
________________________
liver failure
Hepatocellular
Portal hypertension
Porto-systemic shunt