The cells may look immature, too. Occasionally, the provider will order an abdominal CT scan or ultrasound. Sometimes exploratory surgery must be done. Untreated appendicitis may lead to peritonitis, which is an infection in the abdominal lining. Untreated appendicitis may also lead to a ruptured appendix.
Some people get over an attack of appendicitis without having surgery.
However, they may later have episodes of chronic appendicitis or bowel blockages. Appendicitis is not contagious, and poses no risks to others. Surgery to remove the appendix is called an appendectomy . Antibiotics may be given to prevent or treat infection. A ruptured appendix may require more extensive surgery.