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caput medusae
Engorged veins forming a knot or ring around the umbilicus.
Etiology:
1) portal hypertension
2) obstruction of the inferior vena cava or superior vena cava
General
sign/symptom
References
DeGowin & DeGowin's Diagnostic Examination, 6th edition,
RL DeGowin (ed), McGraw Hill, NY 1994, pg 467