FN: Primary Sclerosing cholangitis Flashcards
Pathophysiology
Inflammation, fibrosis and strictures and intra- and
extra-hepatic ducts.
Chronic biliary obstruction → 2O biliary cirrhosis → liver
failure
Epi
Age: 30-50yrs
Sex: M>F = 2:1
Presentation
May be asypmto and Dx incidentally (↑ALP)
Symptoms
Jaundice
Pruritus and fatigue
Abdo pain
Signs
Jaundice: dark urine, pale stools
HSM
Complications
Bacterial cholangitis
↑ Cholangiocarcinoma ↑ CRC
Associated Diseases
UC
3 % o f t h o s e ̄c U C h a v e P S C
80-100% of those ̄c PSC have UC/Crohn’s Crohn’s (much rarer)
AIH HIV
Ix
LFTs: ↑ALP initially, then ↑BR
Abs: pANCA (80%), ANA and SMA may be +ve ERCP/MRCP: “beaded” appearance of ducts
Biopsy: fibrous, obliterative cholangitis
Rx overall
No curative medical therapy: transplant needed
Symptomatic Rx
Pruritus: colestyramine, naltrexone
Diarrhoea: codeine phosphate
Specific treatment
ADEK vitamins
Ursodeoxycholic acid improves cholestasis only Abx for cholangitis
Endoscopic stenting for dominant strictures
Screening
Cholangiocarcinoma: US + Ca19-9 CRC: colonoscopy
Transplant recurrence
Recurrence occurs in 30%