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Table 1 Perforated sigmoid diverticulitis score

From: Position paper: management of perforated sigmoid diverticulitis

Stage

CT scan findings

IA

Phelogmon with no abscess

IB

Phlegmon with abscess ≤ 4 cm

II

Phlegmon with abscess > 4 cm

III

Purulent pertonitis (no hole in colon)

IV

Feculent pertonitis (persistent hole in colon)