Hydroa Vacciniforme

 

Hydroa vacciniforme (HV), also termed as ‘Bazin’s hydroa vacciniforme’, refers to an occasional yet chronic skin condition of photodermatosis that begins during childhood from an unknown origin. It normally is found in children below 10 years of age, characterized by recurrent vesicles on sun-exposed areas of the skin (that can be treated with vacciniform or varioliform scarring), and withers away at puberty. Starting off as a vesicular eruption, it becomes umbilicated and eventually, a scar like a chickenpox, seen on the most exposed areas to sunlight like cheeks, nose, ears, arms, and dorsum of the hands. Certain features show intra-epidermal reticular degeneration and cellular necrosis. Most cases remit spontaneously by late adolescence.

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