Table 1 Modified Hinchey classification
From: Primary resection anastomosis versus Hartmann’s procedure in Hinchey III and IV diverticulitis
Modified Hinchey stage | Features |
|---|---|
Stage 0 | Diverticula with or without wall thickening of the colon |
Stage 1 | Diverticulitis with a confined pericolic phlegmon or abscess |
Stage 1a | Phlegmon with inflammatory reaction in pericolic fat tissue |
Stage 1b | Confined pericolic abscess (< 5 cm) close to the inflammatory site |
Stage 2 | Diverticulitis with abscess distant from the primary inflammatory site (intra-abdominal, retroperitoneal, or pelvic) |
Stage 2a | Amenable to percutaneous drainage |
Stage 2b | Complex abscess associated with a possible fistula |
Stage 3 | Generalized purulent peritonitis |
Stage 4 | Fecal peritonitis |