Highlights • Anatomical variations in the RHA may concern its number, origin or route.• A prebiliary course of the RHA has been described with a prevalence ranging from 15 to… Click to show full abstract
Highlights • Anatomical variations in the RHA may concern its number, origin or route.• A prebiliary course of the RHA has been described with a prevalence ranging from 15 to 25%.• CT Angiography is the exam of choice to establish a complete vascular mapping.• The RHA remains an essential anatomical landmark that all surgeons must keep in mind in order to avoid any unfortunate incidents.
               
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