Diverticular disease

Diverticular disease
Diagnosis in short
Diverticulum. H&E stain.
LM	mucosa/submucosa invaginate into the musuclaris propria
Site	colon, other sites
Associated Dx	peritonitis
Symptoms	usu. asymptomatic, diverticulitis presents with abdominal pain
Clin. DDx	colorectal carcinoma (occasionally)

Diverticular disease, also diverticulosis, is a common disease of the colon. Inflammation of diverticula is known as diverticulitis.

General

• Very common.
• Typically seen in elderly patients - 50s and 60s.

Complications:

• Diverticulitis.
• Diverticular-associated colitis - rare.
  • Rectal biopsy to differentiate from ulcerative colitis.

Gross

• Corrugated - like cardboard.
• Wall thickening (reactive).

Endoscopic image

• 

  Diverticular disease. (WC/Samir)

Grossing notes

• pp:Diverticular disease.

Microscopic

Features:

• Mucosa/submucosa invagination into the musuclaris propria (MP).
  • At the site the blood vessels supplying the mucosa and submucosa penetrate the MP.

Images

<gallery> Image:Colon diverticulosis whole slide.jpg |Diverticular disease. (WC) <gallery> www:

• DD (wikispaces.com).

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RECTO-SIGMOID, LARGE BOWEL RESECTION:
- PERFORATED DIVERTICULITIS WITH SEROSITIS AND ABSCESS FORMATION.
- SUBMUCOSAL FIBROSIS.
- ONE LYMPH NODE NEGATIVE FOR MALIGNANCY ( 0 POSITIVE / 1 ).
- NEGATIVE FOR MALIGNANCY.

SIGMOID COLON, SIGMOIDECTOMY:
- DIVERTICULAR DISEASE WITHOUT DIVERTICULITIS.
- NEGATIVE FOR MALIGNANCY.

See also

• Colon.
• Gastrointestinal pathology.