[thirteen] In a tumor such as infantile hemangioma the mass is smooth, and simply compressed, and their coloring is because of the dilated anomalous involved veins.[fourteen] They may be mostly found in The top and neck. Venous malformations are the type of vascular malformation that entails the veins. Vascular disease https://www.sgvascularctr.com/all-things-vascular-singapore-guide/