Case 1: An18-year-old male presented with a history of asymptomatic raised purple lesions on left half of body involving lower extremities, trunk and external genitalia since one year without any history of waxing and waning. Cutaneous examination showed violaceous papules and plaques associated with mild scaling over the plaques [Table /Fig-1]. The lesions were following lines of Blaschko on left side of thigh, leg and scrotum.Case 2: A 15-year-old male presented with a history of raised lesions over the abdomen and right thigh since two years which were associated with mild pruritus. Patients did not give any history of drug intake or any topical application. On cutaneous examination, violaceous polygonal papules and plaques following the S-shape pattern on the right side of abdomen and linear pattern of Blaschko lines on the right upper thigh were present [Table/ Fig-2
].Case 3: A 10-year-old female presented with asymptomatic raised dark lesions over left thigh extending up to the ankle since 6 months. Dermatological examination revealed presence of multiple hyperpigmented to violaceous papules over medial side of left thigh, extending to the posterior aspect of leg up to the medial side of left ankle along the line of Blaschko [
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