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Liver pathology: CIRRHOSIS
Ivana Marić Mentor: A. Žmegač Horvat
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Consequence of chronic liver disease characterized by replacement of liver tissue by fibrosis, scar tissue and regenerative nodules leading to progressive loss of liver function
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Aetiology Alcohol Chronic hepatitis B Chronic hepatitis C Other:
Haemochromatosis Non-alcoholic fatty liver disease Primary biliary cirrhosis Sclerosing cholangitis Autoimmune hepatitis Cystic fibrosis...
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Pathology MICRONODULAR CIRRHOSIS
Uniform, small nodules up to 3 mm in diameter Often caused by alcohol damage
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Pathology MACRONODULAR CIRRHOSIS Large nodules
Often seen following hepatitis B infection
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Cirrhosis with complicatons of encephalopathy, ascites or variceal haemorrhage – DECOMPENSATED CIRRHOSIS Cirrhosis without any of these complications – COMPENSATED CIRRHOSIS
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Signs and symptoms Jaundice Fatigue Weakness Loss of appetite Itching
Easy bruising
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Investigations Liver biochemistry (usually slight elevation of serum alkaline phosphatase and aminotransferase) Liver function - serum albumin and prothrombin Serum electrolytes Serum alpha-fetoprotein Endoscopy
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Investigations Ultrasound CT
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Management Irreversible disease, frequently progresses
Correcting the underlying cause (abstinence from alcohol) Screening for hepatocellular carcinoma Liver transplantation 5-year survival rate approximately 50%
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Complications PORTAL HYPERTENSION
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Symptoms: Gastrointestinal bleeding from oesophageal or (less commonly) gastric varices Ascites Hepatic encephalopathy
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VARICEAL HAEMORRHAGE 30% of patients with varices bleed from them often massive bleeding; 50% mortality Therapy: endoscopic therapy: sclerotherapy variceal band ligation pharmacological treatment balloon tamponade TIPS surgery
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ASCITES Presence of fluid in the peritoneal cavity Therapy: diuretics
paracentesis
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PORTOSYSTEMIC ENCEPHALOPATHY
Toxic substances (ammonia) bypass the liver via collaterals and gain access to the brain Symptoms: lethargy mild confusion anorexia reversal of sleep pattern disorientation coma
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HEPATORENAL SYNDROME Development of acute renal failure in patients with advanced liver disease Splanchnic vasodilatation - fall in systemic vascular resistance, vasoconstriction of renal circulation, reduced renal perfusion Oliguria, rising serum creatinine, low urine sodium
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References: Kumar&Clark: Clinical medicine
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