“…In these cases, however, there is no ambiguity as the duplicate vessels are always quite physically separate from each other (Zucconi et al, 2002;Shaw et al, 2003;Klemm et al, 2005). In contrast, reports pertaining to other regions of the body, particularly the lower limb, use the term duplicated to describe vessels that are fenestrated (Stewart et al, 2000;Wen et al, 2001;Quinlan et al, 2003). In this literature, development of thrombosis, due to reduced blood flow, is the problem of interest.…”