Differential diagnosis of hypopigmentation / depigmentation are :
-vitiligo
-post inflammatory / acne or atopic dermatitis
-Hansen’s disease / leprosy
-Lichen sclerosis
-morphea / localized scleroderma
-intralesional corticosteroids
-liquid nitrogen treatment
-leukoderma
-halo nevi
-halo around melanoma
-tuberous sclerosis
-piebaldism / white forelock
-seborrheic dermatitis
-pityriasis alba / pityriasis versicolor
-albinism
-vitiligo
-post inflammatory / acne or atopic dermatitis
-Hansen’s disease / leprosy
-Lichen sclerosis
-morphea / localized scleroderma
-intralesional corticosteroids
-liquid nitrogen treatment
-leukoderma
-halo nevi
-halo around melanoma
-tuberous sclerosis
-piebaldism / white forelock
-seborrheic dermatitis
-pityriasis alba / pityriasis versicolor
-albinism