Cullen’s sign is a cutaneous manifestation of intra-abdominal pathology. It is characterized by discoloration and edema of subcutaneous tissue around umbilicus. The Cullen’s sign may indicate: - Acute pancreatitis - Hemorrhage secondary to abdominal trauma - Abdominal aortic rupture - Ruptured ectopic pregnancy Reference: https://en.wikipedia.org/wiki/Cullen%27s_sign