gangrene
| DRY GANGRENE | WET GANGRENE | |
| 1. | Site- Commonly Limbs | Site- More common in bowel |
| 2. | Mechanism- Arterial occlusion | Mechanism- More common in venous occlusion |
| 3. | Macroscopy- Organ dry, shrunken & black | Macroscopy- Part moist, soft, swollen & dark |
| 4. | Putrefaction- Limited due to very little blood supply | Putrefaction- Marked due to a stuffing of organ with blood |
| 5. | Line of demarcation- Present at the junction between healthy & gangrenous part | Line of demarcation- No clear line of demarcation |
| 6. | Bacteria- Fail to survive | Bacteria- Numerous present |
| 7. | Prognosis- Generally better due to little septicemia | Prognosis- Generally poor due to profound toxemia |
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