Derm Dx: Linear, streaky vesicles at birth

An infant in the pediatric clinic has been exhibiting interesting skin findings. At birth, she had a linear and streaky distribution of vesicles on her trunk and extremities, which subsequently progressed to verrucous plaques at age 2 months and hyperpigmented streaks at age 5 months.

The infant appears to have a small patch of alopecia at the scalp crown. ...