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Keratosis lichenoides chronica is characterized by violaceous, papular and nodular lesions typically arranged in a linear and reticulate pattern, most marked on the hands and feet, and accompanied by a seborrhoeic dermatitis-like eruption of the face. This rare condition is very refractory to treatment but we report a patient whose eruption responded top photochemotherapy.
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Ryatt et al. (1982) studied this question.
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