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KMID : 0918520140140020195
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Journal of the Korean Society of Inherited Metabolic Disease
2014 Volume.14 No. 2 p.195 ~ p.199
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Hong Young-Hee
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Abstract
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The X-linked adrenoleukodystrophy (X-ALD) is a peroxisomal disease by defects of ABCD1 gene on chromosome Xq28 leading to accumulation of saturated very long chain fatty acids (VLCFA), progressive demyelination and adrenal insufficiency. A 4-year-old boy was visited hospital with the chief compliant of hyperpigmentation beginning at 2-years old. Serum adrenocorticotropic hormone (ACTH) and cortisol concentration were compatible with adrenal insufficiency. The elevated plasmatic concentration of VLCFA and genotype analysis with sequencing of ABCD1 gene established the diagnosis of X-ALD. Brain MRI showed no abnormal high signal intensity on the white matter. Steroid replacement was started with good response. He initiated Lorenzo’s oil with restriction of VLCFA by reducing the intake of fatty foods. The author highlight the importance of suspecting of X-ALD in the etiology of primary adrenal insufficiency as the first sign of the disease.
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KEYWORD
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Adrenoleukodsydrophy, Adrenal insufficiency, Addison’s disease
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