A male patient presenting with major clinical symptoms of glucocorticoid deficiency and skeletal dysplasia, showing a steroid pattern compatible with 17alpha-hydroxylase/17,20-lyase deficiency, but without obvious CYP17 gene mutations

Adachi, M.; Tachibana, K.; Asakura, Y.; Suwa, S.; Nishimura, G.

Endocrine Journal 46(2): 285-292

1999


ISSN/ISBN: 0918-8959
PMID: 10460013
DOI: 10.1507/endocrj.46.285
Accession: 010067199

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Abstract
We report the case of a 17-year-old boy with delayed puberty, who presented a complexity of clinical problems. An analysis of steroid hormones led to a diagnosis of 17alpha-hydroxylase/17,20-lyase deficiency (17OHD). Unlike typical cases of 17OHD, however, the patient had pubertal development without medical intervention. In addition, he never exhibited the symptoms of mineralocorticoid excess, showing instead the symptoms of glucocorticoid deficiency, including fatigability, emaciation, and weight-loss induced by minor infection. He also had dysmorphic features, which comprised marfanoid habitus, arachnodactyly and putative craniosynostosis. The combination of these malformations substantially resembled that of Shprintzen-Goldberg syndrome. Direct sequencing of the CYPl7 gene did not reveal any significant aberrations in the exons or exon-intron boundaries. We speculate that the association of partial combined 17OHD with the Shprintzen-Goldberg phenotype in the present patient may result from an aberration of a hitherto unknown gene that controls both steroid hormone synthesis and skeletal development.