Additional file 1 of A 16-year retrospective study of vascular anomalies in the head and neck region

Additional file 1. Classificationfor vascular anomalies, by Virchow and Wegner. Classification of vascularlesions according to Virchow, published in 1863 and classification of lymphaticlesions, according to Wegner, published in 1977. The third column describes thehistological image that can be found for each type of lesion.