| Cullen's sign | <clinical sign> Periumbilical darkening of the skin from blood, a sign of intraperitoneal haemorrhage, especially in ruptured ectopic pregnancy. (05 Mar 2000) |
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| Cullen, Thomas | <person> U.S. Gynecologist, 1868-1953. See: Cullen's sign. (05 Mar 2000) |