RT Journal Article SR Electronic T1 An appropriate diagnostic workup for suspected vascular birthmarks JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 505 OP 510 VO 71 IS 6 A1 Konez, Orhan A1 Burrows, Patricia E. YR 2004 UL http://www.ccjm.org/content/71/6/505.abstract AB Birthmarks are common and commonly ignored by patients and primary care doctors. Yet they sometimes represent significant vascular anomalies that require diagnosis and treatment. We summarize when and how to work up a variety of vascular anomalies.