{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T10:17:08Z","timestamp":1785838628526,"version":"3.56.0"},"reference-count":41,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2024,3,1]],"date-time":"2024-03-01T00:00:00Z","timestamp":1709251200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"funder":[{"DOI":"10.13039\/501100003125","name":"Finnish Cultural Foundation","doi-asserted-by":"publisher","award":["00230442"],"award-info":[{"award-number":["00230442"]}],"id":[{"id":"10.13039\/501100003125","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005744","name":"Foundation for Pediatric Research","doi-asserted-by":"publisher","award":["200140"],"award-info":[{"award-number":["200140"]}],"id":[{"id":"10.13039\/501100005744","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,3,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Objective<\/jats:title>\n                  <jats:p>Recent studies suggest that boys enter puberty at a younger age, and the incidence of male central precocious puberty (CPP) is increasing. In this study, we explore the incidence of male CPP and identify key clinical and auxological indicators for organic CPP (OCPP).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Design<\/jats:title>\n                  <jats:p>A retrospective registry-based study.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>The medical records of 43 boys treated with CPP at the Helsinki University Hospital between 1985 and 2014 were reviewed. Clinical, auxological, and endocrine data of the CPP patients were included in the analyses.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Based on brain MRI, 26% of patients had OCPP. Between 2010 and 2014, the CPP incidence in boys was 0.34 per 10 000 (95% CI 0.20-0.60). Between 1990 and 2014, the male CPP incidence increased (incidence rate ratio [IRR] 1.10, P = .001). This increase was driven by rising idiopathic CPP (ICPP) incidence (IRR 1.11, 95% CI 1.05-1.19, P &amp;lt; .001), while OCPP incidence remained stable (P = .41). Compared with the patients with ICPP, the patients with OCPP were younger (P = .006), were shorter (P = .003), and had higher basal serum testosterone levels (P = .038). Combining 2 to 4 of these readily available clinical cues resulted in good to excellent (all, area under the curve 0.84-0.97, P &amp;lt; .001) overall performance, differentiating organic etiology from idiopathic.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>The estimated incidence of CPP in boys was 0.34 per 10 000, with 26% of cases associated with intracranial pathology. The increase in CPP incidence was driven by rising ICPP rates. Patients with OCPP were characterized by shorter stature, younger age, and higher basal testosterone levels, providing valuable cues for differentiation in addition to brain MRI. Utilizing multiple cues could guide diagnostic decision-making.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ejendo\/lvae021","type":"journal-article","created":{"date-parts":[[2024,3,25]],"date-time":"2024-03-25T06:07:10Z","timestamp":1711346830000},"page":"211-219","source":"Crossref","is-referenced-by-count":15,"title":["Central precocious puberty in boys: secular trend and clinical features"],"prefix":"10.1093","volume":"190","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9850-9064","authenticated-orcid":false,"given":"Heta","family":"Huttunen","sequence":"first","affiliation":[{"name":"New Children\u2019s Hospital, Pediatric Research Center, Helsinki University Hospital , Helsinki 00014 , Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juho","family":"K\u00e4rkinen","sequence":"additional","affiliation":[{"name":"New Children\u2019s Hospital, Pediatric Research Center, Helsinki University Hospital , Helsinki 00014 , 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