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[Cutaneous signs of dengue. Apropos of 3 cases].

We report three cases of dengue with cutaneous signs that were observed in three women returning from Asia (and that were confirmed by serology). The exanthem has common characteristics: progressive appearance beginning on thewer limbs, macula-type elementary lesion associated with purpura, evolution in one single upward spread, confluent lesions with intervals of healthy skin, palmoplantar affection, disappearance of the eruption in an average of ten days, association with conjunctivitis in three cases, pharyngitis in two, epistaxis in two and haematuria in one. The lesions spread to the trunk in one patient only and another patient had pruritus. None of the patients showed signs of a state of shock. According to WHO and, despite the existence of haemorrhages and of a purpura, the three cases reported here cannot be considered as being dengue haemorrhagic fever due to the absence of hemoconcentration. The two types of cutaneous signs observed during the fever are described and their physiopathology is discussed.