Although many reports have been published on colonic resections in patients with suspected appendicitis and the diseases that cause the decision to resect the colon have been identified and their proper treatments have been established, there is no report on the risk factors present in converting a simple appendectomy into a major colonic resection.

The investigators aimed to identify the risk factors that lead the surgeon to perform a colonic resection in patients undergoing surgery for initially suspected acute appendicitis.

Inclusion Criteria:

• Patients older than 15 years of age
• Male or female
• Suspected of having acute appendicitis
• Converted to right hemicolectomy

Exclusion Criteria:

• Patients in whom a right hemicolectomy was planned initially
• Right hemicolectomy for causes other than suspected acute appendicitis

Patients submitted to appendectomy for suspected acute appendicitis and in whom the surgeon takes the decision to convert to right colectomy based on operative findings and other factors the we aim to identify