poikiloderma
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Introduction
A variegated hyperpigmentation & telangiectasias of the skin followed by atrophy.
Etiology
- associated with facial erythema of systemic lupus erythematosus (SLE)
- associated with heliotrope eruption, Grotton's papules & exfoliative dermatitis of dermatomyositis
Microscopic pathology
- mild basal damage
- epidermal atrophy
- pigment incontinence
- vascular dilatation - papillary dermis