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Primary cardiac sarcoma is a rare tumor, found especially in children, particularly in the left side of the heart. This report describes a rare case of primary mitral valve sarcoma in a 7-month-old male infant with hemiparesis and heart murmur who underwent mitral valve replacement because of excessive invasion of the mitral valve by the tumor. The patient remains well, free of recurrence and cerebral metastasis, and without adjuvant therapy 18 months after the operation.

A case of congestive heart failure in a neonate resulting from a congenital abdominal arteriovenous fistula is described; an aneurysm of the ductus arteriosus was also found in the patient. Abdominal aortography was performed and demonstrated dilated feeding arteries, including the hypogastric arteries, which communicated with a dilated umbilical vein. Ligation of the feeding arteries and the umbilical vein led to resolution of the heart failure. Transient liver dysfunction occurred, however. Symptoms improved dramatically upon removal of the ligature from the umbilical vein. Although there is one previous report of an arteriovenous fistula involving the umbilical vein, we know of no prior report of a congenital arteriovenous fistula in association with a ductus arteriosus aneurysm.

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