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The University of Chicago Medicine - Comer Children's Hospital

Types of Vascular Anomalies: Proteus Syndrome

Proteus syndrome (PS) is a rare condition in which bones, skin and other tissues grow out of proportion -- and often asymmetrically -- to the rest of the body. The condition may affect the left and right sides of the body differently. In addition to growth issues, the syndrome may cause large blisters, lung disease, enlargement of one side of the brain, blood clots and vascular malformations.

Vascular malformations associated with Proteus syndrome 
Many individuals with Proteus syndrome have skin (cutaneous) capillary malformations, patterns of prominent veins or enlarged veins called varicosities. Large and complex vascular malformations also are sometimes seen in patients with Proteus syndrome.

Diagnosis and Treatment

The diagnosis and treatment of Proteus syndrome often requires several types of pediatric experts. The Vascular Anomalies Team at the University of Chicago Medicine Comer Children's Hospital evaluates, treats and monitors the vascular malformations associated with the syndrome and works closely with other specialists involved in the patient's care.

Treatments for vascular malformations related to Proteus syndrome may include:

  • Surgical removal (excision) of the malformation
  • Laser therapy to shrink the affected blood vessels
  • Sclerotherapy: The injection of a solution directly in the vein, causing it to collapse and forcing the blood to reroute through healthier veins

About Our Program

The Vascular Anomalies Program at Comer Children's offers an integrated and comprehensive approach to the diagnosis, care and management of hemangiomas and vascular malformations. Our multidisciplinary team of pediatrics experts works together to educate families and to evaluate and treat children with all types of these vascular lesions. » Read more about our program and our team.