Table II.

Characteristic and final International Society for Study of Vascular Anomalies diagnosis of benign vascular anomalies cases included in the study (n = 121)

Age of patients at the time of biopsy/surgical excision, y			Mean (SD) 44.8 (30.4)
Characteristic			Final ISSVA diagnosis
	N	%		N	%
Tissue retrieval			Vascular tumors
Biopsy	27	22.3	Angiokeratoma	1	0.8
Surgical excision	94	77.7	Arteriovenous tumor	7	5.8
Sex			Congenital hemangioma	2	1.7
Females	65	53.7	Epithelioid hemangioma	4	3.2
Males	56	46.3	Hobnail angioma	2	1.7
Topography			Infantile hemangioma	10	8.3
Face	107	88.4	Non-involuting congenital hemangioma	1	0.8
Head and neck	14	11.6	Vascular malformations
D2-40 score			Arteriovenous malformation	14	11.6
0	60	49.6	Capillary arteriovenous malformation	2	1.7
1	37	30.6	Capillary malformation	1	0.8
2 (Lymph+)	18	14.9	Capillary venous malformation	6	5
3 (Lymph+)	6	4.9	Glomovenous malformation	2	1.7
Ki67+			Lymphatic arteriovenous malformation	5	4.1
Blood vessels	41	33.8	Lymphatic malformation	5	4.1
Lymph vessels	8	6.6	Lymphatic venous malformation	10	8.3
			Traumatized malformation	1	0.8
			Venous malformation	32	26.5
			Nonspecific ISSVA diagnosis
			Benign vascular lesion	5	4.1
			Vascular malformation	7	5.8
			Others
			Fibrovascular Polyp	1	0.8
			IgG4 Mediated inflammatory pseudotumor	1	0.8
			Pseudotumor of Masson	1	0.8
			Venous lake	1	0.8

ISSVA, International Society for Study of Vascular Anomalies.