Journal
ORTHOPEDIC CLINICS OF NORTH AMERICA
Volume 37, Issue 3, Pages 435-+Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.ocl.2006.04.005
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Vascular anomalies are comprised of either hemangiomas or vascular malformations. Low-flow vascular malformations can be divided into capillary, venous, and lymphatic types and are usually present at birth, undergo pari passu growth, and produce symptoms related to mass effect or stasis. High-flow malformations are comprised predominantly of arteriovenous malformations that follow a more aggressive clinical course of hyperemia, adjacent mass effect, steal phenomenon, tissue destruction, and ultimately high output failure. Ultrasound, CT, nuclear medicine, angiography, and particularly MRI have greatly enhanced diagnostic accuracy and provide detailed information for percutaneous and surgical treatment planning and an objective means of following therapeutic efficacy. Interventional radiologic percutaneous sclerotherapy for low-flow lesions and embolosclerotherapy for high-flow lesions with or without adjunctive surgical intervention have become the mainstay of therapy.
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