[A case of congenital quadricuspid pulmonary valve]

The present report describes a case of congenital quadricuspid pulmonary valve, encountered during the dissection of an 84 year-old Japanese female cadaver at Kanazawa Medical University. In this case, no evidence of heart failure was found clinically or pathologically. The semilunar valve on the right posterior was the biggest and that of the left anterior was the smallest.