albinism

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Related to Hypomelanosis: Idiopathic guttate hypomelanosis

albinism

[′al·bə‚niz·əm]
(biology)
The state of having colorless chromatophores, which results in the absence of pigmentation in animals that are normally pigmented.
(medicine)
A hereditary, metabolic disorder transmitted as an autosomal recessive and characterized by the inability to form melanin in the skin, hair, and eyes due to tyrosinase deficiency.
References in periodicals archive ?
OF CASES WHORLED NEVOID HYPERMELANOSIS 1 PAEDERUS DERMATITIS 2 LINEAR LICHEN PLANUS 5 LICHEN STRIATUS 17 LICHEN NITIDUS 2 INFLAMMATORY LINEAR VERRUCOUS EPIDERMAL NEVUS 2 HYPOMELANOSIS OF ITO 1 Note: Table made from bar graph.
From 40% to 60% of patients with hypomelanosis of Ito will have structural brain abnormalities or mental retardation with or without seizures.
If hypomelanosis of Ito is suspected because of skin lesions but the child is meeting developmental milestones, there's no need to do a genetic work-up for this disorder, she said.
Progressive macular hypomelanosis, hypopigmented macules, narrow-band ultraviolet B.
Progressive macular hypomelanosis (PMH) is an uncommon skin disorder characterized by ill-defined nummular, non-scaly hypopigmented confluent macules on the trunk, often in and around the midline, and rarely extending to the proximal extremities and neck/head region.
The term hypomelanosis of Ito is applied to individuals with skin hypopigmentation along the lines of Blaschko.
Thus, despite current lack of a definitive genetic explanation, it has been suggested that HI is not a single condition, but a rather nonspecific manifestation (ie, a phenotype) of different chromosomal mosaicism and that the term hypomelanosis of Ito should now be dropped.
5] The common pigmentary disorders encountered were idiopathic guttate hypomelanosis (36.
Idiopathic guttate hypomelanosis was present in 99 (33%) cases in this study.
Cases % 1 Xerosis 279 93 2 Wrinkling 264 88 3 Atrophy 189 63 Idiopathic guttate 99 33 hypomelanosis 5 Senile comedones 84 28 Table 4.
Hypomelanosis of Ito: a manifestation of mosaicism or chimerism.
net 1,2,3,5,6,9 HYPERLIPODEMA See: Autoimmune Disorders HYPEROXALURIA See: Oxalosis & Hyperoxaluria HYPERTELORISM/ HYPOSPADIUS SYNDROMES See: Opitz Syndrome HYPERTHERMIA OF ANESTHESIA See: Malignant Hyperthermia HYPERTHYROID MYOPATHY See: Muscular Dystrophy; Thyroid Disorder HYPERURICEMIA-CHOREOATH ETOSIS-SELF-MUTILATION SYNDROME See: Lesch-Nyhan Disease HYPERURICEMIA, HEREDITARY See: Lesch-Nyhan Disease HYPODONTIA AND NAIL DYSGENESIS See: Ectodermal Dysplasias HYPOERYTHEMIA, PROGRESSIVE See: Anemia, Aplastic HYPOGAMMAGLOBULINEMIA See: Immune Disorders HYPOMELANOSIS OF ITO See: Ectodermal Dysplasias; Epilepsy; Incontinentia Pigmenti; Vitiligo HYPOMYELINATION See: Myelin Disorders HYPOPARATHYROIDISM See also: Thyroid Disorders Hypoparathyroidism Newsletter 2835 Salmon St.