HPB - Liver Malignancy, Cirrhosis and the Portal system Flashcards
Malignant causes of liver enlargement (3)
Mets
Hepatoma
Cholangiocarcinoma
Metabolic storage diseases causing liver enlargement (3)
Glycogen
Fatty liver
Amyloid
Inflammatory causes of liver enlargement (4)
Hepatitis
Parasites
Abscesses
TB
Vascular causes of liver enlargement (3)
HF
Pericarditis
Tricuspid regurg
Haematological causes of liver enlargement (3)
Myelofibrosis
Lymphoma
Leukaemia
What are the 3 main routes bacteria infiltrate the liver?
Ascending infection (cholangitis) Portal spread from focus of sepsis in abdomen Septic bloodstream (septicaemia)
Cause of pyogenic liver abscess
Ascending spread - appendicitis, perf
Most common causative organisms - pyogenic liver abscess
E.coli
Strep
PS pyogenic liver absccess
Long Hx malaise
Usually not acutely unwell
Can PS w/ abdo sepsis + tender hepatomegaly
Ix pyogenic liver abscess
USS/CT
CXR
CXR findings pyogenic liver abscess
Elevation R diaphragm
+/- pleural effusion
Mx pyogenic liver abscess (3)
Aspirate under USS
+ IV Abx
Tx underlying cause
When to suspect amoebic abscess
If Hx of travel
Causative agent amoebic abscess
Entamoeba histolytica
Acute PS etnamoeba histolytica
Asymp
Or profuse bloody diarrhoea
PS amoebic abscess
Swinging high fever
RUQ pain
Tenderness
Ix amoebic abscess
USS
CT
Mx amoebic abscess (2)
Metronidazole 5 days
USS drainage
Cause - hyatid abscess
dog tapeworm
Sx hyatid cyst
Asymp
Or dull ache RUQ
Ix hyatid cyst (5_
\+ve hyatid complement fixation test Eosinophilia AXR USS CT
AXR findings hyatid cyst
Calcification of wall
Mx hyatid cyst (3)
Albendazole
FNA under USS
Deworm doggo
Are the majority of liver cancers 1’ or 2’
2’
Where do liver mets tend to come from?
Lung Stomach Colon Breast Uterus
What cancer makes up the vast majority of 1’ liver cancers
Hepatocellular carcinoma
Which areas of the world is hepatocellular carcinoma > common? (2)
China
Africa
Causes hepatocellular carcinoma (PRAT COST COC)
Parasite schistomiasis Rare diseases e.g. tyrosinaemia, a-1-a deficiency Arsenic Tobacco use Cirrhosis Obesity Steroids T2DM Chronic hepatitis OCP Chem exposure - alfrotoxins, vinyl chloride, thorium dioxide
Sx hepatocellular carcinoma (4)
Non-specific fever
Malaise
W loss
RUQ pain
Signs hepatocellular carcinoma (4)
Hepatomegaly
Signs chronic liver disease
Abdo mass/bruit
Jaundice (late)
Ix hepatocellular carcinoma (9)
FBC LFT Clotting Hepatitis serology AFP USS/CT MRI ERCP/biopsy
Why screen for AFP if suspecting Hepatocellular carcinoma
= raised in 50%cases
Mx solitary <3cm HCC
Surgery
Prognosis HCC
<6m
What is cholangiocarcinoma?
Adenocarcinoma arising from biliary tree
PS cholangiocarcinoma?
Painless jaundice
What predisposes to cholangiocarcinoma
Any type of chronic inflamm e.g. 1’SC
Spread - cholangiocarcinoma
Direct invasion of liver
If caught early - what is mx cholangiocarcinoma
Extended liver resection
If caught late - what is Mx cholangiocarcinoma
Palliatoin w/ ERCP
E.g.s of benign liver tumours
Haemangiomas
Liver cell adenoma
Which benign tumour of the liver is found in young F on COCP
Liver cell adenoma
What are the 3 key characteristics of liver cirrhosis
Destruction of liver cells
Assoc chornic inflamm, stimulating fibrosis
Regen of hepatocytes –> nodules
What does micronodular cirrhosis (nodular <3mm) due to
Alcoholic liver damage
Biliary tract disease
Macronodular cirrhosis (nodules >3mm) occur due to
Previous hepatitis
What is biliary cirrhosis
Fibrosis centred around intrahepatic bile ducts
Common causes liver cirrhosis (4)
Alcohlic liver disease
Cryptogenic liver disease
NAFLD
Chronic viral hepatitis
What is primary biliary cirrhosis
Autoimmune destruction of intra-hepatic bile canaliculi
Who gets primary biliary cirrhosis
40-60y/o F
Which condition is primary biliary cirrhosis related to?
IBD
PS primary biliary cirrhosis (3)
jaundice
pruritis
skin xanthomas
What Ix is diagnostic for primary biliary cirrhosis
AMA
Av survival 1’ biliary cirrhosis
6y
Mx 1’BC
replace fat soluble vits
What is primary sclerosing cholangitis
Autoimmune inflammation + fibrosis around bile ducts in liver
What condition does 15% of 1’SC progress into
Cholangiocarcinoma
Mx 1’SC
Transplant
Classical PS chronic liver disease
Fatigue W loss/anorexia Jaundice Leg swelling Bleeding/bruising Itching
Nail signs in liver disease (3)
leukonychia
koilonychia
clubbing
Hand signs chronic liver disease (3)
Palmar erythema
Dupuytren’s contracture
Liver flap
What is palmar erythema a sign of
High Oestrogen levels
what is Dupuytren’s contracture a sign of
Alcoholism
What is leukonychia is a sign of
Low albumin
Skin changes chronic liver disease (4)
pigmentation
Striae
Spider naevi
bruising
Eye signs chronic liver disease (4)
Yellow sclera
Kayser Fleisher rings
Xanthalsma
Pale conjunctiva
what is xanthalasma a sign of
Primary biliary sclerosis
Signs of portal hypertension (4)
Caput medusae
HSmegaly
Ascites
Varices
Signs decompensated liver disease (3)
Encephalopathy
Ascites
Jaundice
Why do you get encephalopathy in decompensated liver disease
Liver = unable to clear toxins from the blood which originate in the gut
why do you get ascites in decompensated liver disease
hyponatraemia b/c decr synthesis plasma protein in liver
2’ hyperaldosteronism after activation RAAS b/c reduced circ volume
–> portal HTN
Precipitants of chronic liver disease ‘decompensating’
Alcohol binge
Variceal bleed
Hepatotoxic drugs
Portal/hepatic vv thrombosis
Complications of chornic liver disease (4)
Hepatocellular failure
Portal HOTN
Malignant change
Renal failure
Which steroids are importantly metabolised in the liver and accumulate in chronic liver disease?
Aldosterone
Oestrogen
What is Wilson’s disease
Error of Cu metabolism –> depositon in organs
Which organs does Wilsons disease classically effect (3)
Liver\
BG
Cornea
Ix Wilsons disease (3)
Se caeruloplasmin reduced
Urinary Cu increased
Liver biopsy - incr Cu
Mx Wilsons ddisease
Chelating agents e.g. D-penicillamine
What is Haemochromatosis
inherited condition –> XS Fe deposition in organs –> fibrosis + organ failure
Triad of Sx Haemochromatosis
Bronze skin
Hepatomegalyt
DM
Ix haemochromatosis (4)
Se Fe/ferritin raised
TIBC decreased
Genetic testing
Liver biopsy
Mx haemochromatosis
Weekly venesection
What % of pt w/ cirrhosis will develop G-O varices over 10y
90%
Pathology G-O varices
Cirrhosis –> backlog of blood in portal vv –> splenic cc –> HSmegaly –> AV anatomoses in oesophagus
mx ascites
Bed rest _ fl restrict
Low Na diet
Spironolactone
Furosemide added if response poor
Grade I encephalopathy
Altered mood/behaviour, sleep disturbance
Grade II encephalopathy
Increased drowsiness, confusion
Grade III encephalopathy
Stupor, incoherence, restlessness
Grade IV encephalopathy
Coma
Mx encephalopathy
ICU + 20’ head tilt
PO lactulose
+ IV mannitol + hyperventilation if evidence cerebral oedema
E.g.s of porto-systemic anastomoses locations (4)
Cardia stomach (G-O varices) Anus - rectal varices Retroperitoneal organs - stomal varices paraumbilical vv ant abdo wall - caput medusae
Def portal HTN
P in portal vv >10mmHg
Pre-hepatic causes portal HTN
Portal vv thrombosis
Hepatic causes portal HTN (5)
Cirrhosis Hepatitis Idiopathic non-cirrhotic portal HTN Shisctosomiasis Congental hepatic fibrosis
Post-hepatic causes portal HTN
Budd-Chairi syndrome
What is Budd-Chairi syndrome
Obstruction of hepatic vv (due to thrombosis or ext mass)
How can portal HTN PS (5)
Variceal bleeding Haemorrhoids/caput medusae Ascites Splenomegaly Porto-systemic encephalopathy
mx acute variceal bleed
A-E Vit K +FFP IV terlipressin IV Abx prophylaxis Endoscopic banding + adrenaline under GA
Alt Mx variceal bleed (to endoscopic stapiling)
Balloon tamponade devide
Or transjugular intrahepatic portosystemic shunting
2’ prophylaxis variceal bleed
Endoscopy
Non-selective B blockers
1; prophylaxis variceal bleeed
Banding + B vlocker if asymp varices are found
Dx Mx - pruritis
Cholestyramine