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Vaginal Agenesis

The incomplete development of the vagina, either shorter, nonexistent or simply a remnant of one.


An excessive widening of the vein that drains blood from a testicle, acting like a varicose vein of the scrotum.

Vascular Lesion Center

The Vascular Lesion Center (VLC) at Lurie Children’s is focused on providing comprehensive care for infants, children and adolescents with vascular lesions.

Vascular Rings

Vascular rings occur during fetal development due to an abnormal formation of the aorta and the surrounding blood vessels. Learn more.

Vascular Rings Program

Lurie Children’s surgeons have advanced methods used to correct vascular rings and operate on more pulmonary artery slings than any other hospital in North America. Learn more.


Any inflammation of the blood vessels – both arteries and veins. The size of the vessel, the amount of inflammation and its location determines the severity of the disease.

Vein of Galen Malformations

The vein of Galen malformation (VOGM) is a rare blood-vessel malformation in the brain that develops before birth (usually during the first trimester) and is sometimes diagnosed in the womb or soon after birth. Learn more.

Velopharyngeal Dysfunction (VPD)

Velopharyngeal dysfunction, or VPD, is a condition resulting from inadequate closure of the velopharyngeal port, or the opening between the nose and the mouth, during speech. Learn more.

Venous Malformations

An abnormally-formed collection of veins is called a venous malformation, or slow-flow malformation. The veins in a venous malformation are formed irregularly before birth and become enlarged. Learn more.

Ventricular Assist Device (VAD) Program

Lurie Children's Heart Center uses VADs to support the hearts of patients from infancy to young adulthood, including patients with end-stage cardiomyopathy and our most complex congenital heart disease populations. Learn more.

Ventricular Septal Defect

An opening between the two lower chambers of the heart.

Vesicoureteral Reflux

A relatively common condition in which urine backs up from the bladder into the kidneys.