Protoporphyria

Protoporphyria, also known as erythrocyte hepatic porphyria, is an autosomal dominant inherited porphyrin metabolism disorder. Its clinical feature is that the skin of the exposed part of the body has been hypersensitive to sunlight since childhood. In the exposed area, the skin has a burning itchiness, redness, edema, etc. The protoporphyrin content in red blood cells and feces is too high, but uroporphyrin is not contained in the urine.