{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T04:41:48Z","timestamp":1777524108577,"version":"3.51.4"},"reference-count":15,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2020,10,27]],"date-time":"2020-10-27T00:00:00Z","timestamp":1603756800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["The Cleft Palate Craniofacial Journal"],"published-print":{"date-parts":[[2021,6]]},"abstract":"<jats:p>Pituitary hormone deficiencies may occur in children with midline defects; in these cases, hypogonadism is usually hypogonadotropic. Herein, we report a boy at the age of 13.8 years with mild mental retardation, previously operated for complete cleft palate (isolated) and presented with hypoglycemia due to isolated secondary adrenal insufficiency, who further had a decrease in testicular size with increased follicle-stimulating hormone level (hypergonadotropic hypogonadism) and diagnosed with Klinefelter syndrome. Klinefelter syndrome in childhood is rarely diagnosed and cases are observed in a wide spectrum. Although some regional duplications of the X chromosome also show midline defects such as spina bifida-neural tube defects, mental retardation, hypopituitarism (mostly growth hormone deficiency); coexistence of Klinefelter syndrome and isolated secondary adrenal deficiency\/midline defect in our case may also be coincidental. However, to our knowledge, this is the first case in literature with this association in a patient with a 47, XXY karyotype.<\/jats:p>","DOI":"10.1177\/1055665620967601","type":"journal-article","created":{"date-parts":[[2020,10,27]],"date-time":"2020-10-27T23:59:50Z","timestamp":1603843190000},"page":"787-790","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Hypogonadism: Is It Always Hypogonadotropic in an Adolescent With a Cleft Palate? A Surprising Case of Klinefelter Syndrome"],"prefix":"10.1177","volume":"58","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1089-9326","authenticated-orcid":false,"given":"Bahar","family":"\u00d6zcab\u0131","sequence":"first","affiliation":[{"name":"HSU, Division of Pediatric Endocrinology, Department of Pediatrics, Zeynep Kamil Women and Children\u2019s Diseases Training and Research Hospital, Istanbul, Turkey"},{"name":"Department of Pediatrics, Yeni Yuzyil Medical School, Istanbul, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Meri\u00e7","family":"Vatansever","sequence":"additional","affiliation":[{"name":"HSU, Division of Pediatric Endocrinology, Department of Pediatrics, Zeynep Kamil Women and Children\u2019s Diseases Training and Research Hospital, Istanbul, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ayla","family":"G\u00fcven","sequence":"additional","affiliation":[{"name":"HSU, Division of Pediatric Endocrinology, Department of Pediatrics, Zeynep Kamil Women and Children\u2019s Diseases Training and Research Hospital, Istanbul, Turkey"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2020,10,27]]},"reference":[{"issue":"2","key":"bibr1-1055665620967601","first-page":"227","volume":"24","author":"Abdollahifakhim S","year":"2014","journal-title":"Iran J Pediatr"},{"key":"bibr2-1055665620967601","doi-asserted-by":"publisher","DOI":"10.1159\/000503784"},{"key":"bibr3-1055665620967601","doi-asserted-by":"publisher","DOI":"10.1515\/jpem-2012-0333"},{"key":"bibr4-1055665620967601","doi-asserted-by":"publisher","DOI":"10.1507\/endocrj.49.523"},{"key":"bibr5-1055665620967601","first-page":"31","volume-title":"\u00c7ocuk Endokrinolojisi","author":"Gunoz H.","year":"2014"},{"issue":"3","key":"bibr6-1055665620967601","doi-asserted-by":"crossref","first-page":"162","DOI":"10.1111\/j.1742-1241.1995.tb09932.x","volume":"49","author":"Hughes TA","year":"1995","journal-title":"Br J Clin Pract"},{"key":"bibr7-1055665620967601","doi-asserted-by":"publisher","DOI":"10.1597\/07-149.1"},{"key":"bibr8-1055665620967601","doi-asserted-by":"publisher","DOI":"10.1016\/S0090-3019(03)00454-3"},{"key":"bibr9-1055665620967601","doi-asserted-by":"publisher","DOI":"10.1530\/acta.0.1050126"},{"key":"bibr10-1055665620967601","doi-asserted-by":"publisher","DOI":"10.2164\/jandrol.111.016204"},{"key":"bibr11-1055665620967601","doi-asserted-by":"publisher","DOI":"10.2147\/TACG.S180450"},{"key":"bibr12-1055665620967601","doi-asserted-by":"publisher","DOI":"10.2169\/internalmedicine.35.396"},{"issue":"3","key":"bibr13-1055665620967601","first-page":"172","volume":"47","author":"Tun\u00e7bilek G","year":"2004","journal-title":"\u00c7ocuk Sa\u011fl\u0131\u011f\u0131 ve Hast Derg"},{"key":"bibr14-1055665620967601","doi-asserted-by":"publisher","DOI":"10.1097\/00000637-199708000-00020"},{"key":"bibr15-1055665620967601","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000017342"}],"container-title":["The Cleft Palate Craniofacial Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1055665620967601","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/1055665620967601","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1055665620967601","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T16:22:41Z","timestamp":1777393361000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/1055665620967601"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,10,27]]},"references-count":15,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2021,6]]}},"alternative-id":["10.1177\/1055665620967601"],"URL":"https:\/\/doi.org\/10.1177\/1055665620967601","relation":{},"ISSN":["1055-6656","1545-1569"],"issn-type":[{"value":"1055-6656","type":"print"},{"value":"1545-1569","type":"electronic"}],"subject":[],"published":{"date-parts":[[2020,10,27]]}}}