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J Thorac Cardiovasc Surg. 2010 Aug;140(2):459-63. doi: 10.1016/j.jtcvs.2010.04.023. Epub 2010 May 27.

CLOVES syndrome with thoracic and central phlebectasia: increased risk of pulmonary embolism.

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  • 1Division of Vascular and Interventional Radiology, Children's Hospital Boston and Harvard Medical School, Boston, Mass 02115, USA.



CLOVES syndrome (congenital lipomatous overgrowth, vascular malformations, epidermal nevi, and skeletal/scoliosis and spinal abnormalities) is a rare, complex overgrowth syndrome with serious morbidity. In this communication we studied the presence of central and thoracic phlebectasia in patients with CLOVES syndrome and its clinical implications.


We conducted a comprehensive search of our databases at Children's Hospital Boston over the last 10 years (1999-2008) for patients with CLOVES syndrome and central and thoracic phlebectasia. Medical records, clinical photographs, and imaging studies of varying modalities were reviewed.


Review of the clinical data and imaging studies of 12 patients with CLOVES syndrome documented the presence of central and thoracic phlebectasia in 11 patients. Two patients had serious perioperative pulmonary embolism, and 1 died.


Central and thoracic phlebectasia in patients with CLOVES syndrome is common and increases the risk of pulmonary embolism. Aggressive prophylactic measures should be considered before major interventions.

Copyright 2010 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.

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