Presents as a photosensitive malar rash sparing the nasolabial folds and is associated with systemic symptoms and positive autoantibodies.
A combination of atrophy, telangiectasias, and pigment changes, which can be caused by steroids but also by other conditions like connective tissue disease or radiation.
Causes skin changes (erythema, atrophy, telangiectasias) strictly confined to the radiation port or field.
Presents with papules, pustules, erythema, and telangiectasias without a history of topical steroid application, and typically lacks the atrophy seen with steroid overuse.
