Liver disease Flashcards
Features of PBC
Peak incidence 40-60 years
Sex Female to male ratio 9-10 : 1
Signs/ symptoms Pruritus, lethargy, jaundice, diarrhoea, bone symptoms,
portal hypertension, liver failure occurs late
Biochemistry Elevated alkaline phosphatase and bile acids
Bilirubin rises later
Immunology Anti-mitochondrial antibodies (AMA)
(anti M2 most specific)
Raised IgM
Associated Sjogren’s syndrome, rheumatoid arthritis,
conditions autoimmune thyroiditis, coeliac disease
Prognosis Most patients develop progressive liver disease
Features of PSC
Age Any age, peak incidence 20-50 years
Sex Male to female ratio 2-3 : 1
Signs/ Progressive/ intermittent jaundice
symptoms Recurrent acute cholangitis
Biochemistry Raised alkaline phosphatase and bilirubin
Immunology Associated with HLA-B8 and DR3 phenotype
Hypergammaglobulinaemia
Anti-neutrophil antibodies
Radiology Cholangiography (ERCP)
Strictures and beading (intra + extrahepatic ducts)
Associated Inflammatory bowel disease (mainly U.C.) - 60-70% of cases
conditions retroperitoneal fibrosis, mediastinal fibrosis
Prognosis Most patients develop progressive disease
Cholangiocarcinoma in up to 20%
What are some genes involved in HCC?
TERT
TP53
CTNN1
What are some affects of cirrhosis?
Jewish - JAUNDICE
People - PORTAL HTN
Always - ALBUMIN LOW
Eat - ENCEPHALOPATHY
Only - OESTROGEN HIGH
Special - SPONTANEOUS INFECTION
Bread - BLEEDING
Called - CANCER
Hallah - HEPATORENAL DISEASE
What is the difference between acute and chronic infections?
PICAL
Portal interface hepatitis = chronic (PIC)
Acute + lobular = acute (AL)
What is the difference between micronodules and macronodules in cirrhosis?
< or > 3mm
What is the main gene that causes cacer?
TERT
What are some reversible changes in liver disease?
My - mallory denk inclusion cytokeratin and ubiquitin
Boy - balloooning
Friend - feathering
Cums - cholestasis
During - ductal
sex - steatosis
What histological feature is seen in PSC?
Sprials and concentric rings
What histological feature is seen in PBC?
Granulomatous
What are some permanent changes in liver cirrhosis?
Capillairisation - loss of fenestration
Thrombi formation
Shunting of blood
Where are progenitor cells found?
Canal of Herring
What causes hepatitis?
Kuppfer cells –> TNF alpha –> stellate cells –> IFN Y and release of collagen
What are some causes of liver disease?
Autoimmune - AIH, PBC and PSC, rejection
Alcohol
Heptatropic drugs
Infections
NAFLD
Inherited or metabolic - haemachromatosis and wilsons
Bilaisry disease
Vascular disease
What causes palmar erythema and spider naevi?
Impaired oestrogen metabolism
Why does fat excess cause liver disease?
Free radicals
What is the treatment for NASH?
What is the diagnosis for NASH?
ELF and FIBROSCAN
What are the stages of NASH?
Increasing fibrosis
What are some treatments for NASH?
What are the features of Budd chiari?
Ascites
Hepatomegaly
Abdominal pain
What are the features of metabolic syndrome?
Overweight
HTN - > 140/90
Insulin resistance 4-7 (dinner in heaven), 8-9 (late to dine)
Oversaturation of fats and cholesterol
What are the recommended units per week? What is this for beer, wine or shots?
14 units =
6 beers
7 wines
14 shots
What are some support groups for alcoholics?
Forward thinking
Alcoholics anonymous
We are with you - with you
Nacoa
Al-anon