Causes include: * acute pancreatitis, where methemalbumin formed from digested blood tracks around the abdomen from the inflamed pancreas * bleeding from blunt abdominal trauma * bleeding from aortic rupture * bleeding from ruptured ectopic pregnancy Importance of the<unk>  is on a decline since better diagnostic modalities are now available.
Cullen's sign
Boas' sign
Aaron's sign
Adson's sign
Bing's sign
Hoover's sign 
Louvel's sign
Litten's sign