Computed Tomography (CT) Classification of Sartelli et al for Acute Diverticulitis of the Left Colon

Description

Sartelli et al proposed a CT classification for acute diverticulitis of the left colon. This is based on the staging system of Hinchey/Hughes and can be used to clinically stratify patient.. The authors are from multiple hospitals from around the world.

Patient selection: acute diverticulitis of the left colon

Parameters:

(1) extent of infection - uncomplicated versus complicated

(2) pericolic changes (air bubbles or a little fluid without abscess)

(3) diameter of abscess in cm

(4) distant free air (> 5 cm from inflamed bowel segment)

(5) diffuse fluid

Extent of Infection	Designation
limited to the colon; does not extend to the peritoneum	uncomplicated
beyond the colon	complicated

Complicated diverticulitis is then staged.

Pericolic Changes	Diameter of Abscess	Distant Free Air	Diffuse Fluid	Stage
present	none	none	none	1A
NA	<= 4 cm	none	none	1B
NA	> 4 cm	none	none	2A
NA	NA	present	none	2B
NA	NA	none	present	3
NA	NA	present	present	4

where:

• The presence of diffuse fluid and distant free air indicates a persistent hole in the colon.

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Computed Tomography (CT) Classification of Sartelli et al for Acute Diverticulitis of the Left Colon

Description

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