Benign Conditions of the Large Bowel Flashcards

1
Q

What is diverticular disease?

A

Mucosal herniation (diverticula) through the muscle coat of the gut

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2
Q

Where does diverticular disease most commony affect?

A

Sigmoid colon

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3
Q

What does diverticular disease encompass?

A
  1. Diverticulosis
  2. Diverticulitis
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4
Q

What is diverticulosis?

A

An asymptomatic condition involving the development of outpouchings (diverticula) from the colon

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5
Q

What is diverticulitis?

A

Inflammation of diverticula

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6
Q

What are the clincical symptoms of diverticulitis?

A
  • Tenderness
  • Pain
  • Septic
  • Altered bowel habit
  • LIF pain
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7
Q

Which classification system is used to classify the severity of acute diverticulitis

A

Hinchey classification

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8
Q

What complications may develop from diverticular disease?

A
  • Pericolic abscess
  • Perforation
  • Haemorrhage
  • Fistula
  • Stricture
    *
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9
Q

What is a fistula?

A

An epithelialised communication between two hollow organs

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10
Q

Which two variants of diverticulitis exist?

A
  1. Uncomplicated
  2. Complicated
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11
Q

What is uncomplicated diverticultis?

A

Patients do not need to stay in hospital

They only need antibiotics at most

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12
Q

What does complex diverticulitis require?

A
  • Hartman’s procedure - removes diseased area and creates stoma
  • Primary resection and anastomosis is another option
  • Percutaneous drainage
  • Laparoscopic lavage and drainage
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13
Q

What is the first investigation for potential colitis?

A

Stool culture

(eliminates concerns of obtainign from holiday/exotic conditions)

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14
Q

Which other investigations can be done for suspected colitis?

A
  • X-ray
  • Sigmoidoscopy
  • Barium enema (rarely, if ever)
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15
Q

How can ulcerative colitis be treated?

A

IV fluids

IV steroids

GI rest

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16
Q

Which type of patients are likely to suffer from ischaemic colitis?

A

Elderly patients

Those with diabetes (problems with arteries)

17
Q

In ulcerative colitis, there is increased regeneration of colonic mucosa, what does this lead to, and what sign confirms this on X-ray?

A

Hypertrophy of the muscularis mucosae

Lead-piping sign seen on X-ray due to the contraction of this muscle

18
Q

What is colonic angiodysplasia?

A

An uncomon cause of bleeding due to the development of submucosal lakes of blood

19
Q

Why is the sigmpid colon prone to twisting to form a volvulus?

A

It has the longest mesentery

20
Q

What is pseudo-obstruction?

A

No true obstruction

This occurs in the elderly with other chronic medical problems

21
Q

Most functional bowel disorders have what causes?

A
  • Dietary
  • Laxative use
  • Motility disorders