A 10-year-old male presents with recurrent crops of hypopigmented macules and crusted papules on the trunk and extremities. What is the hypothesized pathogenesis of this disorder?

A. CD4+ cell infiltrate

B. HHV-6/HHV-7

C. Malassezia

D. Deficiency in vitamin A

E. Preceding streptococcal pharyngitis

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