There are several synonyms for the term "case for an appendectomy", which refers to the surgical removal of the appendix. One common term is "appendectomy kit", which includes all the necessary instruments and supplies for the surgery. Another synonym is "appendix removal set", which serves the same purpose as the appendectomy kit. In medical terminology, the appendectomy kit is also referred to as an "appendectomy tray". Other terms related to the procedure include "appendix surgery pack" and "appendectomy pack". Regardless of the term used, these kits contain everything needed for a safe and successful appendectomy surgery.