Child presents with linear verrucous plaques on the trunk with vacuolization of keratinocytes in s. spinosum and s. granulosum. Diagnosis is:
High-Yield Explanation
C. i.e. Linear epidermal nevus Linear verrucous epidermal nervs presents with localized/diffuse, closely set, skin coloured verrucous plaques with liner configuration (along Blaschko's lines) on limbs and transverse configuration on trunkQ. Histology shows acanthosis, papillomatosis, hyperkeratosis, compact ohokeratosis, alternating bands of oho and parakeratosis, perinulclear vacuolization of keratinocytes in granular layer (stratum granulosum) and stratum spinosumQ and irregular cellular boundaries peripheral to the vacuolization and increased number of irregularly shaped large kerathinohyaline granules.