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KMID : 1036920230280030225
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Annals of Pediatric Endocrinology & Metabolism
2023 Volume.28 No. 3 p.225 ~ p.230
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Central precocious puberty with hypothalamic hamartoma: the first case reports of 2 siblings with different phenotypes of Seckel syndrome 5
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Park Ji-Sun
Jeon Min-Jun
Maeng Se-Ri
Kwon Dae-Kyu
Kim Su-Jin
Lee Ji-Eun
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Abstract
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Hypothalamic hamartomas (HHs) are nonneoplastic mass lesions located in the hypothalamus that can cause central precocious puberty (CPP) and/or gelastic seizures. Seckel syndrome 5 (OMIM210600, SCKL5) is a rare autosomal recessive genetic spectrum disorder characterized by intrauterine growth retardation, proportionate osteodysplastic primordial dwarfism, a wide range of intellectual disability, "bird-headed" facial features, and microcephaly with various structural brain abnormalities. Two siblings presented with short stature and small head circumference and were diagnosed with SCKL 5. The younger sister had HH with CPP and experienced a slipped capital femoral epiphysis during treatment. The 2 siblings had the same genetic variant but showed different phenotypes, which has not been reported previously; this study also as presents the first cases of SCKL5 diagnosed by genetic confirmation in Korea.
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KEYWORD
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Central precocious puberty, Hypothalamic hamartomas, Microcephaly, Seckel syndrome, Slipped capital femoral epiphyses
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