Colitis

Question 1

aetiology

Answer 1

• Infective colitis - Ulcerative colitis - Crohn’s colitis - Ischaemic colitis

Question 2

symptoms

Answer 2

diarrhoea wiht/out blood cramping pain dehydration weight loss and anaemia sepsis

Question 3

investigations

Answer 3

AXR stool culture sigmoidoscopy/coloonscopy barium enema

Question 4

ulcerative colitis/crohns coltiis treat

Answer 4

IV fluids and steroids GI rest

Question 5

Ischaemic colitis aetiology

Answer 5

elderly can be caused by CVS and embolus and AF

Question 6

Ischaemic colitis often due to low flow in which artery

Answer 6

IMA

Question 7

Ischaemic colitis which bit of colon usually affected

Answer 7

sigmoid

Question 8

Ischaemic colitis clinical features

Answer 8

lower left sided abdominal pain with/out bloody diarrhoea

Question 9

Ischaemic colitis appearance on endoscopy

Answer 9

segmental

Question 10

Ischaemic colitis complications

Answer 10

massive bleeding rupture and stricture

Question 11

colonic angiodysplasia typical presntaiotn

Answer 11

fresh PR blood in elderly

Question 12

colonic angiodysplasia diagnosis

Answer 12

angiography colonoscopy

Question 13

colonic angiodysplasia treat

Answer 13

embolisation, endoscopy ablation, surgical resection

Question 14

collagenous colitis histology

Answer 14

thickened basement membrane, intraepithelial inflammatory cells No chronic architectural changes.

Question 15

collagenous colitis clinical présentation

Answer 15

watery diarrhoea normal endoscopy

Question 16

Lymphocytic colitis histology

Answer 16

No architectural changes in crypts, intraepithelial lymphocytes increased.

No thickening of BM, normal endoscopy

Question 17

Lymphocytic colitis suspect what

Answer 17

coeliac disease

Question 18

radiation colitis clinical features

Answer 18

telangiectasia

Question 19

what is telangiectasia

Answer 19

small dilated blood vessels near the surface of the skin or mucous membranes.

Question 20

radiation colitis histolgy

Answer 20

bizarre stroll cells and bizarre vessels

Question 21

radiation colitis can be a complication of what

Answer 21

immunosuppression if on chemo

Question 22

who is Pseudomembranous colitis seen in

Answer 22

patients on broad spectrum antibiotics

Question 23

what does C diff produce

Answer 23

spores

Question 24

what is C diff

Answer 24

gram positive anaerobic

Question 25

Pseudomembranous colitis

Answer 25

C diff produces toxins A and B. toxin A is an enterotoxin and B is cytotoxic and causes bloody diarrhoea. inflammatory response leads to inc vascular permeability and pseudomembrane formation

Question 26

Pseudomembranous colitis treatment

Answer 26

metronidazole