Diverticular disease Flashcards
What is diverticulosis?
1 - abnormal small bowel walls
2 - abnormal gastric walls
3 - out-pouching of a hollow tube
4 - out-pouching of intestines through abdominal wall
3 - out-pouching of a hollow tube
- essentially a protrusion of the mucosa through the muscles of the bowel
Re-arrange the order of how diverticulum are formed?
1 - mucosa herniates through weakness in wall, normally where taeniae coli are located
2 - hypersegmentation occurs where peristalsis from 2 opposing segments of colon contract at the same time
3 - increased intraluminal pressure
4 - colonic circular muscle is thickened due to increased elastic tissue between muscle fibres
5 - 2 segments contracting send peristalsis waves towards each other
1 - colonic circular muscle is thickened due to increased elastic tissue between muscle fibres
2 - hypersegmentation occurs where peristalsis from 2 opposing segments of colon contract at the same time
3 - 2 segments contracting send peristalsis waves towards each other
4 - increased intraluminal pressure
5 - mucosa herniates through weakness in wall, normally where taeniae coli are located
In diverticulosis, which layers of the bowel are included in a true diverticulosis?
1 - serosa
2 - mucosa
3 - submucosa
4 - muscle
5 - all of the above
5 - all of the above
In diverticulosis, which layers of the bowel are included in a false (pseudo) diverticulosis?
1 - serosa
2 - mucosa
3 - submucosa
4 - muscle
5 - all of the above
2 - mucosa
3 - submucosa
- these are the most common type of diverticulosis in colon
What determines diverticulosis from diverticular disease?
1 - inflammation
2 - blood in stool
3 - symptoms associated with diverticula
4 - weight loss
3 - symptoms associated with diverticulosis
What common gastrointestinal symptom is often associated with diverticular disease?
1 - diarrhoea
2 - constipation
3 - blood in stool
4 - weight loss
2 - constipation
- associated with low dietary fibre
- diverticular disease is the most significant risk factor for constipation
Is diverticular disease more common in the developed western world or the rest of the world?
- western world, due to low dietary fibre and processed foods
What is the the most common location in the bowel for diverticular disease?
1 - ileum
2 - ascending colon
3 - sigmoid colon
4 - descending colon
3 - sigmoid colon
- has highest intra-luminal pressure
What age does 50% of diverticular disease occur in?
1 - >20 y/o
2 - >50 y/o
3 - >70 y/o
4 - >90 y/o
2 - >50 y/o
- can be reported as >60 y/o
Diverticular disease is an out-pouching of the mucosal pouches beyond the musculature wall of the bowel with symptoms associated. What % of patients with diverticular disease DO present with symptoms?
1 - 100%
2 - 90%
3 - 50%
4 - 10%
4 - 10%
Diverticular disease is an out-pouching of the mucosal pouches beyond the musculature wall of the bowel with symptoms associated. What is diverticulitis?
1 - inflammation of the diverticula
2 - infection of the diverticula
3 - pus forming diverticula
4 - blocked diverticula
1 - inflammation of the diverticulosis
Diverticular disease is an out-pouching of the mucosal pouches beyond the musculature wall of the bowel with symptoms associated. What is diverticular colitis?
1 - inflammation of the diverticula
2 - infection of the diverticula
3 - cresenteric inflammation on folds of an area of diverticulosis
4 - blocked diverticula
3 - cresenteric inflammation on folds of an area of diverticulosis
What is the most common cause of diverticulitis?
1 - TB
2 - stool blocking the diverticula
3 - E.coli infection
4 - fistula formation
2 - stool blocking the diverticula
How is diverticular disease most commonly identified?
1 - following CT scans
2 - incidental finding
3 - during colonoscopy
4 - X-ray
2 - incidental finding
- especially as only 10% of patients present with symptoms
If a patient presents with an acute abdomen that is due to acute diverticulitis, where is the most common location for pain?
1 - LIF
2 - RIF
3 - parasternal border
4 - left paracolic gutter
1 - LIF
- but can be anywhere, but most common is LIF as most common in sigmoid colon
- patient is systematically unwell
If a patient presents with an acute abdomen due to a perforated diverticular. Which of the following is NOT a common presentation of this?
1 - nausea and vomiting.
2 - fever.
3 - abdominal tenderness
4 - rebound tenderness
5 - constipation
6 - mass in LIF
6 - mass in LIF
- diverticular can lead to a mass, but most unlikley
In a patient with diverticular disease, is a diverticular bleed dangerous?
- no
- usually self limiting
Stool blocking the diverticula is the most common cause of diverticulitis. Which of the following does this NOT tend to lead to?
1 - fistula to adjacent organs
2 - bowel necrosis and perforation
3 - bowel obstruction
4 - abscess formation
5 - haemorrhage
5 - haemorrhage
- obstructions caused by stricture are very difficult to distinguish from malignancy