Makis et al. Journal of Medical Case Reports 2010, 4:281 http://www.jmedicalcasereports.com/content/4/1/281 Page 3 of 6 Figure 1 Papular and nodular-pustular lesions on the face and right hand and partially erosive lips. promptly with improvement of the fever, of the stridor and of his general condition. Skin lesion biopsy revealed a dense inflammatory infil- tration of the dermis consisting mainly of mature neu- trophils and an intense edema on the upper dermis, findings consistent with the clinical differential diagnosis of Sweet’s syndrome (Figure 4). Of the rest of the laboratory evaluations, besides the serological confirma- tion of a recent rotavirus infection (immuno-chromato- graphic test), all tests were either negative or within normal ranges. Based on the clinical and laboratory evi- dence as well as the immediate response to the Figure 2 Centrally ulcerated papular-pustular lesions on the elbow.