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.附加文件1. Virchow与Wegner编制的血管异常分类体系。其中包含1863年发布的Virchow血管病变分类方案，以及1977年发布的Wegner淋巴病变分类方案。第三列列明了对应各类型病变的组织学图像特征。