Chapter

Fast-Flow Vascular Malformations

Anthony E. Young and Steven J. Fishman

in Mulliken and Young's Vascular Anomalies

Published on behalf of Oxford University Press

Published in print August 2013 | ISBN: 9780195145052
Published online November 2013 | e-ISBN: 9780199357147 | DOI: https://dx.doi.org/10.1093/med/9780195145052.003.0015
Fast-Flow Vascular Malformations

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  • Surgery
  • Histopathology

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Arteriovenous anomalies demand rapid blood flow due to decreased resistance from absence of the restrictive capillary bed. Despite increased flow to the region, the vascular steal phenomenon impairs distal tissue perfusion leading to ischemia. Early stage AVM presents with warmth or blush. Advancing stages demonstrate expansion and thrill followed by ulceration and pain. Extreme cases cause high output cardiac failure. Parkes Weber syndrome encompasses extensive capillary staining, diffuse arteriovenous shunting, and variable lymphatic anomaly permeating throughout an extremity which is overgrown in girth and length.

Chapter.  5013 words.  Illustrated.

Subjects: Surgery ; Histopathology

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