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Abstract: A 4‐year‐old boy presented with erythematous vesicular plaques, ulceration, edema, and pruritus on the left foot and ankle 10 days after receiving the tetanus, diphtheria, pertussis, and polio; measles, mumps, rubella, and varicella; and hepatitis A/B vaccines. Biopsy showed eosinophilic infiltrates and flame figures, suggesting Wells syndrome. Patch testing showed a 1+ reaction to neomycin and aluminum hydroxide, with a recall reaction of Wells syndrome of the feet bilaterally. We report a rare case of pediatric Wells syndrome triggered by nonthimerosal vaccine components confirmed by patch testing. [ABSTRACT FROM AUTHOR]

A 10-week old preterm infant boy presented with a pustular eruption of the face and blood eosinophilia. Histology demonstrated eosinophils without predominant follicular involvement. The lesions healed without intervention within 2 months. The presentation was consistent with neonatal eosinophilic pustulosis. We discuss the similarities between cases described in the literature and suggest that this entity affects a unique patient population of preterm infants. [ABSTRACT FROM AUTHOR]

Eosinophilic cellulitis, or Wells syndrome, is a rare but well-described condition in which bullous lesions are uncommon, especially in childhood. We report a case of bullous eosinophilic cellulitis recalcitrant to steroid therapy in a 9-year-old boy who was successfully treated with oral dapsone. [ABSTRACT FROM AUTHOR]