Fournier's Gangrene Secondary to Perforated Sigmoid Adenocarcinoma Within an Incarcerated Inguinal Hernia.

Colon cancer is the third most common cancer worldwide. Approximately one-fifth of colon cancers will present emergently due to obstruction or perforation. Necrotizing soft tissue infection is a rare presentation of perforated colon cancer and represents a surgical emergency due to high mortality rate.

Pneumoperitoneum Secondary to Necrotic Intra-abdominal Lymph Node.

Pneumoperitoneum is often treated as a surgical emergency as the most common etiology is perforated hollow viscus. Here, we present the case of a man in his 70s who presented to the emergency department with fever and abdominal pain. On physical exam, he was diffusely tender in the bilateral lower quadrants with guarding.