Syn .: Lead porphyria.
Def .: A very rare autosomal recessive form of porphyria with δ-aminolevulinic acid dehydrogenesis defect manifested by elevated urine δ-aminolevulinic acid levels and increased urine and faecal porphyrins. There are no skin symptoms. Neurological and abdominal symptoms may be present.
Epid .: It accompanies vitiligo, it can appear as hair regrowth in alopecia areata, after injuries or after X-ray irradiation.
Loc .: The lesions may be focal or scattered within the scalp and pigmented nevi.
Clinical: An area of hair that clearly differs in color from the surrounding area. Hair, as a rule, is light, white. In the case of regrowths after X-ray irradiation, the hair may be darker than the original color.
DR: Natural graying.
Heal: Beauty treatments – hair coloring.
Lit.: [1] Kim SA, Do JE, Kang HY i wsp.: Poliosis developing in a melanocytic nevus. Eur J Dermatol 2007, 17; 347-8
Source: A. Kaszuba, Z. Adamski: “Lexicon of dermatology”; XNUMXst edition, Czelej Publishing House