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KMID : 0882420110800030343
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Korean Journal of Medicine
2011 Volume.80 No. 3 p.343 ~ p.347
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A Case of Klinefelter Syndrome Differentially Diagnosed as a Cause of Gigantism
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Kim Joo-Young
Choi Yong-Jun
Rhee Sang-Youl
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Abstract
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Klinefelter syndrome is a congenital disease that is associated with the existence of an extra X chromosome, and is one of the most common causes of male primary hypogonadism. In addition to hypogonadism-associated manifestations such as testicular atrophy and infertility, it is also well known that this syndrome may be associated with other systemic comorbidities. In this report, we describe a typical case of Klinefelter syndrome that was differentially diagnosed as a cause of gigantism. A 20-year-old male was admitted to evaluate the cause of tall stature. His height was 193.4 cm, and all screening tests for gigantism were negative. Physical examination revealed no clear evidence of secondary sexual characteristics, and the results of a hormonal assay were highly suspicious for primary hypogonadism. Based on these findings, we performed a chromosomal analysis and confirmed Klinefelter syndrome with a 47, XXY karyotype.
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KEYWORD
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Klinefelter syndrome, Gigantism, Hypogonadism, Chromosomal disorders
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