This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
Child presents with linear verrucous plaques on the trunk with vacuolization of keratinocytes in s. spinosum and s. granulosum. Diagnosis is: 
Select and explain. 
A. In continenta pigmenti, B. Delayed hypersensitivity reaction, C. Linear / Verrucous epidermal nevus, D. Linear Darier's disease
C: Linear / Verrucous epidermal nevus
Answer: C: Linear / Verrucous epidermal nevus 
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.