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KMID : 0363219920300060928
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Korean Journal of Dermatology
1992 Volume.30 No. 6 p.928 ~ p.931
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Two Cases of Dyschromatosis Universalis
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Abstract
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Dyschromatosis universalis hereditaria was reported in 1993 by Ichikawa and Hiraga in Japan. This disease is characterized by small pigmented and depigmented mottled macules on the trunk and extremities.
We report two cases of dyschromatosis universalis. Case one is a 47-year-old man presented with hypo-and hyperpigmented spots on the trunk and extremities. At about 30 years of age, he started to show pigmentary changes on the back, which became
progressively spread to the other parts of the trunk and extremities. Case two is a 27-year-old man with numerous mottled hypo-and hyperpigmented spots on the trunk and extremities. He started to show pigmentary changes on the back about 12 years
ago.
This pigmentary changes also became progressively spread to the other part of the trunk and extremities.
There were no family history of similar disease. On physical examinations, both patients had brown rice-grain sized pigmented and depigmented macules without scales and atropy on the trunk and extremities.
Fontana-Masson stains revealed decreased and increased melanin granules in the basal cell layers in the hypopigmented and hyperpigmented lesions respectively.
(Kor J Dermatol 1992; 30 (6) : 928-931)
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