L14: Diverticular Diseases Flashcards
Def of Diverticula
- Sac-like blind pouches that protrude from the gastrointestinal wall and communicate with the lumen
Def of Diverticulosis
The presence of multiple diverticulae without Evidence of infection
Def of Diverticulitis
Inflammation or infection of diverticula
Types of Diverticula
- Congeinatal
- Acquired
Nature of Congenital Diverticula
True diverticulum
What is a true Diverticula?
Affects al 3 layers of the gut
(Includes the muscles)
Examples of True Diverticula
- Meckel diverticulum
- Appendix
Nature of Pulsion diverticulum
False diverticulum or Pseudodiverticulum
What does Pulsion diverticulum affect?
- Involves only mucosa & submucosa
- Does not contain muscular layer (through the muscles)
- They cannot evacuate themselves > stasis, infection & complications.
Types of Acquired diverticula
Pulsion & Traction
Examples of Pulsion diverticulum
Colonic diverticulum
Causes of Traction diverticulum
Due to Traction on gut wall by nearby Fibrosis
Examples of Traction diverticulum
TB lymphadenitis
Site of diverticulua
Pharyngeal diverticulae
Zenkerβs diverticulum (Pharyngeal pouch).
Esophageal Diverticula
- Congenital diverticulum.
- Pulsion diverticulum.
- Traction diverticulum.
Stomach diverticulua
Gastric diverticulum.
SI diverticulua
- Duodenal.
- Jejunal and ileal.
- Meckel diverticulum.
Colonic diverticulua
- Caecal diverticulum.
What is the most common site of diverticulua?
Sigmoid
MCQ
diverticulua can occur anywhere but β¦β¦.
Rectum
MCQ
What is another name of Diverticular Disease of Colon?
Diverticulosis Coli
Type of Diverticular Disease of Colon
Acquired pulsion diverticula
Mechanism of Diverticular Disease of Colon
Fibers & Diverticular Disease of Colon
Where do Diverticular Disease of Colon originate?
Site of Diverticular Disease of Colon
(Organs)
Number of Diverticular Disease of Colon
Type of Patient in Diverticular Disease of Colon
What diet is associated by Diverticular Disease of Colon?
- Common in western countries (American,European) > Low residue diet.
- Rare in African, Asian > Natural Fibers.
Stages of Diverticular Disease of Colon
- Non Complicated Diverticular Disease (Diverticulosis)
- Acute Divertuculitis
- Chronic Divertuculitis
Non Complicated Diverticular Disease of Colon
Acute divertuculitis
Chronic Diverticulitis
Complications of Diverticular Disease of Colon
- Perforation
- Chronic intestinal obstruction
- Fistula formation
- Hemorrhage
Complications of Diverticular Disease of Colon
- Perforation
Obstruction of neck of diverticula -> Progressive inflammation -Β» Perforation (Localized βAbscessβ OR generalized peritonitis)
Complications of Diverticular Disease of Colon
- ## Chronic Intestinal Obstruction
Recurrent acute diverticulitis & chronic diverticulitis -Β» Colonic fibrosis & stricture -> Large intestinal obstruction
Complications of Diverticular Disease of Colon
- Fistula Formation
- External > Colocutaneous fistula
- Internal β> Colovesical - Colovaginal - Coloenteric
Complications of Diverticular Disease of Colon
- Hemorrhage
CP of Uncomplicated diverticulosis
Investigations in Uncomplicated diverticulosis
- Barium enema
- Sigmoidscopy
- CT
Bariam in Uncomplicated diverticulosis
- The best investigation
- Appearas Multiple globular shadows (outpouchings) in relation to the colon
- Sometimes no diverticula are seen, but only saw teeth appearance of the βpre diverticular stateβ due to segmental spasm.
Sigmoidoscopy in Uncomplicated diverticulosis
- Gives little information apart from narrowing of Lumen
- Recommended to exclude malignancy
CT in Uncomplicated diverticulosis
May be helpful
TTT of Uncomplicated diverticulosis
CP of Uncomplicated diverticulitis
Symptoms:
- As appendicitis, But pain starts at umbilicus & then localizes in the left iliac fossa
Signs:
1. Temperature high
2. Tenderness & rigidity in left iliac fossa
3. Tenderness on P/R