Table 1.

Overview table of ISSVA classification 2018, modified Table in Ref. [1].

Vascular Anomalies
Vascular Tumors	Vascular Malformations
Benign	Simple	Combined	Of Major Named Vessels	Associated with Other Anomalies
	Capillary malformations	defined as two or more vascular malformations found in one lesion	abnormalities in the origin/course/number of major blood vessels that have anatomical names	syndromes in which vascular malformations are complicated by symptoms other than vascular anomalies
Locally aggressive or Borderline	Lymphatic malformations
	Venous malformations
Malignant	Arteriovenous malformations *
	Arteriovenous fistula *

* High-flow lesions.