Acute and chronic colitis (LI)

Question 1

Acute colitis presentation

Answer 1

Diarrhoea +/- blood
Abdominal cramps 
Dehydration 
Fever 
Weight loss

Question 2

Investigations

Answer 2

Stool culture:

• +ve then think infective colitis
• -ve then think IBD

AXR:

• right side of LI looks normal
• left side of LI looks v smooth (lead piping)

Sigmoidoscopy
Biopsy
Barium enema

Question 3

Ischaemic colitis - cause

Answer 3

Old age
CVS disease
Embolus

Question 4

Ischaemic colitis - clinical presentation

Answer 4

LIF pain
Bloody diarrhoea
PR bleed
Fever

Question 5

Ischaemic colitis - histopathological findings

Answer 5

Pink smudgy lamina propria

Withering of crypts

Question 6

Ischaemic colitis - complications

Answer 6

Haemorrhage
Rupture
Stricture

Question 7

Antibiotic induced colitis - cause

Answer 7

Patient on broad spectrum antibiotics

C. Diff

Question 8

Antibiotic induced colitis - clinical presentation

Answer 8

Explosive diarrhoea + blood

Question 9

Antibiotic induced colitis - pathology

Answer 9

Ulcers on surface of colon
Multiple patchy lesions stuck to colonic mucosa
Patchy yellow membranous exudate

Question 10

Antibiotic induced colitis - management

Answer 10

Mild - oral metronidazole

Severe - oral vancomycin

Question 11

Collagenous colitis - cause

Answer 11

Elderly

Female

Question 12

Collagenous colitis - clinical presentation

Answer 12

Watery diarrhoea

Question 13

Collagenous colitis - pathology

Answer 13

Thickened basement membrane
Normal mucosa
Patchy
Increased bands of collagen

Question 14

Lymphocytic colitis - clinical features

Answer 14

Watery diarrhoea

Question 15

Lymphocytic colitis - pathology

Answer 15

Normal mucosa

Increased lymphocytes

Question 16

Radiation colitis - cause

Answer 16

Exposure to radiation

Question 17

Radiation colitis - pathology

Answer 17

Bizzare stream cells and vessels