Necrotic abdominal wall: What is the cause?

A healthy 28-year-old man presented to our tertiary care emergency department with a several-month history of worsening epigastric abdominal pain and the recent development of an abdominal wall abscess. The patient had undergone a laparoscopic anterior resection for failed medical management of diverticulitis 1 year prior. On initial assessment, this abdominal wall abscess was far removed from all previous laparoscopic port site scars. A bedside...