KMID : 0363220140520090642
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Korean Journal of Dermatology 2014 Volume.52 No. 9 p.642 ~ p.645
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A Case of Incontinentia Pigmenti in a Boy with Klinefelter Syndrome
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Hwang Eun-Jung
Park Gyeong-Yul Min Seong-Uk Cho Kwang-Hyun
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Abstract
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Incontinentia pigmenti (IP) is an uncommon X-linked, dominantly inherited disorder due to a mutation in the NEMO(NF-¥êB essential modulator) gene on the X chromosome. IP mostly occurs in female infants, it is usually embryonic lethal in males. The mechanisms for survival of affected males are explained by the presence of an extra X chromosome (Klinefelter``s syndrome), hypomorphic mutations, and somatic mosaicism. We report here a rare case of incontinentia pigmenti in a 13-year-old boy with Klinefelter``s syndrome, NEMO gene mutation, and whorled, hyperkeratotic, hyperpigmented, linear lesions along the lines of Blaschko on the trunk and leg.
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KEYWORD
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Incontinentia pigmenti, Klinefelter syndrome, Male, NEMO
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