Table 1 Intraoperative appearances of acute appendicitis [12]
From: Appendicitis during the COVID-19 pandemic: lessons learnt from a district general hospital
Non-complicated Acute Appendicitis |
Grade 0—Normal looking appendix (Endoappendicitis/Periappendicitis) |
Grade 1—Inflamed appendix (Hyperemia, oedema ± fibrin without or little pericolic fluid) |
Complicated Acute Appendicitis |
Grade 2—Necrosis Grade 2A—Segmental necrosis (without or little pericolic fluid) Grade 2B—Base necrosis (without or little pericolic fluid) |
Grade 3—Inflammatory Tumour Grade 3A—Flegmom Grade 3B—Abscess < 5 cm without peritoneal free air Grade 3C—Abscess > 5 cm without peritoneal free air |
Grade 4—Perforated—diffuse peritonitis with or without peritoneal free air |