A case report demonstrates exogenous ochronosis confirmation through histopathology in a 52-year-old woman, indicating the effects of long-term cream use.
Exogenous ochronosis is a rare disease characterized by speckled and diffuse pigmentation symmetrically over the face, neck, and photo-exposed areas.It is characterized histologically by banana-shaped ochre-colored deposits in the dermis.It occurs following prolonged use of hydroquinone or phenolic compounds containing creams.Here we report a case of 52 year old lady presented with pigmentation of the face, neck and shoulders of 6 years duration.Exogenous ochronosis was confirmed with histopathology and special staining.
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Thankappan et al. (2013) studied this question.
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