<unk>  is superficial edema and bruising in the subcutaneous fatty tissue around the umbilicus. It is named for gynecologist Thomas Stephen<unk>  (1869–1953), who first described the<unk>  in ruptured ectopic pregnancy in 1916. This<unk>  takes 24–48 hours to appear and can predict acute pancreatitis, with mortality rising from 8–10% to 40%. It may be accompanied by Grey Turner's<unk>  (bruising of the flank), which may then be indicative of pancreatic necrosis with retroperitoneal or intra-abdominal bleeding.
Cullen's sign
Boas' sign
Aaron's sign
Adson's sign
Bing's sign
Hoover's sign 
Louvel's sign
Litten's sign