[1] INSERM, CIC 1414, Dept Vasc Med, F-35033 Rennes 9, France
[2] Univ Rennes 1, INSERM, CIC 1414, Rennes, France
[3] Ctr Hosp Redon, Dept Vasc Med, F-35600 Redon, France
[4] Univ Paris Diderot, Sorbonne Paris Cite, Lab Dermopathol, Paris, France
[5] Hop St Louis, AP HP, Serv Dermopathol, INSERM,U1165, Paris, France
[6] Inst Bergonie, Oncohematol Div, F-33076 Bordeaux, France
[7] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Dept Emergency Med, Boston, MA USA
[8] Ctr Hosp St Malo, Dept Vasc Med, F-35403 St Malo, France