falciform ligament sign

Etiology

• intestinal perforation

Clinical significance

• a radiographic sign of pneumoperitoneum
• when surrounded by intraperitoneal free air, the falciform ligament may be seen as a vertical band of soft tissue on abdominal CT

Radiology

• abdominal CT

Management

• emergency laparotomy may be indicated

More general terms

• sign/symptom

Additional terms

• falciform ligament of liver