GI Flashcards
Which parts of the GI tract are affected by crohns?
Anywhere from mouth to anus
Transmural inflammation occurs in which bowel condition?
Crohn’s
Which findings on investigation would indicate a diagnosis of crohn’s disease? (4)
- raised inflammatory markers
- increased faecal calprotectin
- anaemia
- low vit B12 and vit D
Which extra-intestinal features are associated with crohn’s disease ?
- arthritis
- episcleritis
- erythema nodosum
What is the differnece between the pattern of disease in UC and Crohn’s?
UC - continuous disease from rectum to ileocecal valve
Crohn’s - skip lesions from mouth to anus
What is the management for Crohn’s disease?
- Start monotherapy with prednisolone to induce remission at first presentation
- If there are multiple inflammatory exacerbations in 12 months then add azathioprine
- For severe active crohn’s disease - add infliximab
Give 4 symptoms of UC
- bloody diarrhoea
- tenesmus
- left iliac fossa pain
- extra-intestinal features
Which area of the GI tract is typically most affected in Crohn’s disease?
Terminal ileum
What is the management of UC to induce remission?
- First line = topical aminosalicylate e.g. mesalazine
- Second line = oral aminosalicylate
- topical/oral corticosteroids e.g. prednisolone
What would you find of biopsy of someone with UC?(4)
- red, raw, friable mucosa
- no inflammation beyond submucosa
- crypt abscesses
- depletion of goblin cells
What findings would you expect to see on an abdominal X ray of someone with UC?
lead pipe appearance of colon
Which extra-intestinal features are most commonly associated with UC? (3)
- arthritis
- primary sclerosing cholangitis
- uveitis
How would you treat a symptomatic perianal fistula in crohn’s disease?
metronidazole
What is the grading criteria for UC severity?
Truelove and Witts Criteria
Which symptoms would be graded as ‘severe UC’? (6)
- > 6 bowel movements/day
- blood in stool
- pyrexia
- pulse > 90 bpm
- anaemia
- ESR > 30