Cruveilhier–Baumgarten disease or Pégot-Cruveilhier–Baumgarten disease is a rare medical condition in which the umbilical or paraumbilical veins are distended, with an abdominal wall bruit (the Cruveilhier-Baumgarten bruit) and palpable thrill, portal hypertension with splenomegaly, hypersplenism and oesophageal varices, with a normal or small liver. The presence of the Cruveilhier-Baumgarten venous hum is highly suggestive of portal hypertension, and is never a normal physical examination finding.
Armstrong et al. (1942) and Steinburg and Galambos (1967) described two different types of the condition:
- Cruveilhier-Baumgarten syndrome: liver cirrhosis or portal hypertension is the cause of the distension of the paraumbilical veins (i.e. an acquired condition in which the veins reopen due to high portal pressure).
- Cruveilhier–Baumgarten disease: the distension of the paraumbilical veins is due to failure of umbilical vein closure, with little or no evidence of liver disease found on liver biopsy (i.e. a congenital patency of the umbilical vein leading to portal hypertension).
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