Grading the Severity of Sigmoidoscopic Changes in Ulcerative Colitis

The severity of sigmoidoscopic changes in ulcerative colitis can be graded based on the gross appearance.

Normal	Mild	Moderate	Severe
overall assessment normal
normal vessel pattern	absent vessel pattern	absent vessel pattern	absent vessel pattern
no contact bleeding	little or no contact bleeding	moderate contact bleeding	profuse contact bleeding
no free bleeding	no free bleeding	a little free blood in lumen	free blood in lumen
no muco-pus in lumen	no muco-pus in lumen	trace muco-pus in lumen	muco-pus in lumen
			inflammatory polyps
			stricture

where:

• Moderate was defined as intermediate between mild and severe.

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