A 6-year-old boy presents with a pruritic rash on exposed skin areas after playing in a grassy field. Vital signs are normal (BP 95/60, HR 98, RR 20, Temp 37.2°C, SpO2 98%). Linear streaks of erythema and vesicles appear on his arms and legs. KOH mount of skin scraping is negative. Serum IgE is elevated at 285 IU/mL. He denies fever or systemic symptoms. Which of the following is the most likely diagnosis?
- A)Molluscum contagiosum
- B)Cercarial dermatitis (schistosomiasis)GABARITO
- C)Tinea corporis
- D)Candida intertrigo
- E)Dermatophyte infection
Explicação
Cercarial dermatitis results from penetration of schistosome cercariae through skin during exposure to contaminated freshwater. The reaction causes pruritic linear streaks and vesicles, typically on exposed areas. KOH preparation is negative because this is a ... Ver explicação completa e trilha adaptativa →