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Polymorphic light eruption sine eruptione: A variant of polymorphous light eruption

Polymorphous light eruption (PMLE) is the most common immunologically-mediated photodermatosis; it usually presents as a pruritic, papular eruption in sun-exposed regions of the skin hours to days after sun exposure. Several variants of PMLE have been described, manifesting with varying morphologies but with photosensitivity as a common etiology. Polymorphic light eruption sine eruptione (PLESE), a rare variant presenting as sun-induced pruritus without cutaneous eruption, has been reported in a single cohort of seven patients in 1988. We report a case of a 62-year-old white female who developed PLESE.