[1] Fac Med Sao Paulo, Hosp Clin, Dept Radiol, Sao Paulo, Brazil
[2] Univ Hosp La Paz, Dept Dermatol, Madrid, Spain
[3] Univ Andes, Fac Med, Santiago, Chile
[4] Univ Andes, Dept Dermatol, Santiago, Chile
[5] Skinmed Med Ctr, Santiago, Chile
[6] Univ Chile, Dept Radiol, Inst Diagnost Imaging & Res Skin & Soft Tissues, Clin Servet,Fac Med, Santiago, Chile
[7] Univ Chile, Dept Dermatol, Inst Diagnost Imaging & Res Skin & Soft Tissues, Clin Servet,Fac Med, Santiago, Chile