Subcutaneous emphysema due to rectal perforation: A case report

Figure 1 Abdominal computed tomography scan image. A: Multiple free gas shadows are seen within and around the rectal wall (arrow); B: Scattered bubbly gas-density shadows are observed in the extraperitoneal space of the pelvis and adjacent subcutaneous soft tissues (arrow).

Figure 2 Chest computed tomography scan image. A: Extensive gas shadows are visible in the subcutaneous soft tissues of the neck and mediastinum (arrow); B: Scattered gas-density shadows are observed in the subcutaneous soft tissues of the chest and periesophageal vessels (arrow).

Figure 3 Intraoperative findings. A: Air accumulation in the transverse mesentery; B: Mid-rectal perforation 3-cm in diameter, showing fecal mass extruding through the perforation.