This chapter has well written text on small channel low flow vascular malformations. The chapter describes different imaging techniques. Small channel low flow vascular malformations, hyperkeratotic cutaneous malformation, lymphatic malformations, microcystic lymphatic malformations, macrocystic lymphatic malformation are described in detail. 78 radiographic pictures and photographs are included for explanation of these conditions. 3 cases are described in detail. 16 references are given for further reading at the end of the chapter.