[Carotenodermia: an erroneous diagnosis of jaundice].
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Abstracto
Carotenoids are essential pigments in vegetal photosynthetic processes, but they also have important biological functions in animal physiology: beta carotene in particular represents provitamin A. The accumulation of carotenoids in a man results in a cutaneous hyperpigmentation very similar to jaundice: usually this happens in vegetarian subjects after an excessive food eating. In the described case, a situation similar to jaundice appeared in a 56 years old man affected by psychic disorders, his diet consisted for several years almost exclusively of eggs (an average of 27 eggs a day). As this type of food is very rich in carotenoids (especially lutein giving to yolk the characteristic colour), it is inevitable that, in addition to hypercholesterolemia, a consistent amount of carotenodermia is present. This recalls the possible antiaterogenal action of carotenoids.