19. Vascularity I II III IV Zones I always (and zone III usually) safe in pedicled TRAM Zones I and III always (and zone II usually) safe in free TRAM/DIEP M ain cause flap loss/partial loss is VENOUS problems
As previously described, the majority of the perforators were located in a circular area 3cm diameter centred on the mid-point of a line between the anterior-superior iliac spine and the upper lateral border of the patella.