• Domenico Tortora, Mariasavina Severino, Andrea Accogli, Carola Martinetti, Nadia Vercellino, Valeria Capra, Andrea Rossi, and Marco Pavanello.
• Neuroradiology Unit, Istituto Giannina Gaslini, Genoa, Italy.
• World Neurosurg. 2017 Dec 1; 108: 291-302.

BackgroundPHACE syndrome (Posterior fossa malformations, large cervicofacial infantile Hemangiomas, Arterial anomalies, aortic coarctation and Cardiac abnormalities, and Eye abnormalities) is a neurocutaneous disorder including posterior fossa malformations, hemangiomas, arterial lesions, cardiac defects, and eye abnormalities. PHACE arteriopathies may be progressive and recently have been categorized based on the risk of acute ischemic stroke, increasing attention to the potentially devastating consequences of cerebrovascular complications in this syndrome. In contrast, the natural history of arteriopathy in PHACE syndrome remains poorly understood. At the moment, there are no established surgical guidelines for high-risk vasculopathies, including quasi-moyamoya, in this syndrome.Case DescriptionWe described the clinicoradiologic features of a small series of 6 patients with PHACE syndrome and quasi-moyamoya (5 female, age range 4 months to 12 years), focusing on the clinical course and surgical outcome of 3 children who were treated with encephaloduroarteriosynangiosis and encephalomyosynangiosis. In addition, we reviewed the radiologic, clinical, and surgical aspects of moyamoya vasculopathy in PHACE syndrome, providing information on 15 additional published cases.ConclusionsAlthough the natural history of arteriopathy in PHACE syndrome is poorly understood, patients with high-risk vasculopathies, such as quasi-moyamoya disease, may benefit of revascularization by using encephaloduroarteriosynangiosis and encephalomyosynangiosis.Copyright © 2017 Elsevier Inc. All rights reserved.

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