Year : 2009 | Volume
: 54 | Issue : 5 | Page : 74--75
Dyschromatosis universalis hereditaria
Chandra L Naik, Gurcharan Singh, TS Rajashekar, Rajendra Okade
Department of Dermatology and STD, Sri Devraj Urs Medical College, Tamaka, Kolar - 563 101, Karnataka, India
Chandra L Naik
Department of Dermatology and STD, Sri Devraj Urs Medical College, Tamaka, Kolar - 563 101, Karnataka
Dyschromatosis universalis hereditaria is an infrequently occurring genodermatosis with a peculiar pigmentary change, consisting of varying sized hyperpigmented macules mingled with hypopigmented lesions to give an overall impression of mottling. We hereby report a case of dyschromatosis universialis hereditaria in a child with no family history of the disorder.
|How to cite this article:|
Naik CL, Singh G, Rajashekar T S, Okade R. Dyschromatosis universalis hereditaria.Indian J Dermatol 2009;54:74-75
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Naik CL, Singh G, Rajashekar T S, Okade R. Dyschromatosis universalis hereditaria. Indian J Dermatol [serial online] 2009 [cited 2020 Jul 11 ];54:74-75
Available from: http://www.e-ijd.org/text.asp?2009/54/5/74/45464
A 3-year-old female child presented with generalized asymptomatic spotty hyper and hypo pigmented macules started at the age of one year. There was no history of photosensitivity, epilepsy or any other systemic complaints. The child had grade II mal nutrition and second degree consanguinity. There was no family history of similar skin lesions.
Examination revealed numerous, discrete and confluent circular and irregular shaped spotty hypo pigmented and hyper pigmented macules of various sizes, distributed bilaterally on trunk, limbs, neck and face [Figure 1]. Palms and soles were completely spared. There was no atrophy or telangiectasia of the affected skin. The hair was showing silvery discoloration and the nail, teeth and mucous membrane were within normal limit. Eye and ENT examination was normal, systemic examination was normal except for mild hepatosplenomegaly.
Investigation revealed elevated levels of SGOT and SGPT, ultrasound abdomen showing hepatosplenomegaly with mild ascitis. Other routine investigations and chest X-ray were within normal limits. VDRL and HIV was negative.
Histopathology of skin shows variable epidermal pigmentation with some pigmentary incontinence [Figure 2].
The dyschromatoses are a group of disorder characterized by the presence of both hyperpigmented and hypopigmented macules, with variable sizes and shapes. There are two major forms-dyschromatosis symmetrica hereditaria (DSH) and dyschromatosis universalis heriditaria (DUH). DUH, a rare autosomal dominant genodermatosis was first described by Ichikawa and Hiraga in 1933.  It was considered to be a disorder of melanocyte number in the past, however based on a recent electron microscopic study, it has been suggested that DUH, may be a disorder of melanosome production in epidermal melanin unit rather than a disorder of melanocyte number.  Lesions of DUH have to be differentiated from xeroderma pigmentosum, although in DUH lesions occurs in unexposed sites and does not show any atrophy or telangiectasia and DUH also differentiated from DSH by its presence in generalized form rather than acral distribution. Other differential diagnosis include dyschromic amyloidosis and exposure to chemicals such as diphenylcyclopropenone and monobenzyl ether of hydroquinone. ,
Dyschromatosis universalis heriditaria is commonly encountered in Japan; however rare familial cases have been reported from Europe,  China  and India. ,
Localized form,  involvement of oral mucosa, tongue and palms and soles  and association with high tone deafness and small stature,  solar elastosis  and grand mal epilepsy,  has been reported. This case is reported due its rarity and lack of familial involvement.
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