Esben Thyssen Vestergaard

Increasing incidence of premature thelarche in the Central Region of Denmark - Challenges in differentiating girls less than 7 years of age with premature thelarche from girls with precocious puberty in real-life practice

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Increasing incidence of premature thelarche in the Central Region of Denmark - Challenges in differentiating girls less than 7 years of age with premature thelarche from girls with precocious puberty in real-life practice. / Sømod, Mia Elbek; Vestergaard, Esben Thyssen; Kristensen, Kurt; Birkebæk, Niels Holtum.

In: International journal of pediatric endocrinology, Vol. 2016, 2016, p. 4.

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@article{049ef5ccb00340d9b04266c92757034d,
title = "Increasing incidence of premature thelarche in the Central Region of Denmark - Challenges in differentiating girls less than 7 years of age with premature thelarche from girls with precocious puberty in real-life practice",
abstract = "BACKGROUND: Premature thelarche (PT) seems to be increasing and it is difficult to differentiate its early stages from precocious puberty (PP). Clinical and biochemical parameters are warranted to differentiate the two diagnoses.METHODS: One hundred ninety-one girls aged 0.5-7 years were included. Diagnoses were validated and the girls were categorized to the groups PP (n = 27) and PT (n = 164). Anthropometry, Tanner stages, ethnicity, bone age, and biochemistry, were recorded. Conventional variables for diagnosing PP were compared between the groups at time of referral to identify parameters predictive for the diagnosis.RESULTS: The referral rate of PT increased from 1998-2013. Girls with PT and PP differed with regards to age at referral, body mass index standard deviation scores (BMISDS), ethnicity, bone age advancement, basal luteinizing hormone (LH), gonadotropin releasing hormone (GnRH) stimulated LH and follicle stimulating hormone (FSH), basal and stimulated LH/FSH ratio, and sex-hormone binding globulin (SHBG). Apart from SHBG there was considerable overlap of the variables between the PT and the PP groups.CONCLUSIONS: First, the incidence of PT appears to increase. Second, SHBG was the variable which best discriminated PT from PP. Third, stimulated LH in 1-3 years old girls with PT is similar to stimulated LH in 5-7 years old girls with PP. Age, BMISDS, ethnicity, bone age, stimulated gonadotropins and LH/FSH and SHBG are all useful variables for differentiating PP from PT. However normative data for stimulated LH and FSH in the age group 0.5-7 years are warranted.",
keywords = "Journal Article",
author = "S{\o}mod, {Mia Elbek} and Vestergaard, {Esben Thyssen} and Kurt Kristensen and Birkeb{\ae}k, {Niels Holtum}",
year = "2016",
doi = "10.1186/s13633-016-0022-x",
language = "English",
volume = "2016",
pages = "4",
journal = "International journal of pediatric endocrinology",

}

RIS

TY - JOUR

T1 - Increasing incidence of premature thelarche in the Central Region of Denmark - Challenges in differentiating girls less than 7 years of age with premature thelarche from girls with precocious puberty in real-life practice

AU - Sømod, Mia Elbek

AU - Vestergaard, Esben Thyssen

AU - Kristensen, Kurt

AU - Birkebæk, Niels Holtum

PY - 2016

Y1 - 2016

N2 - BACKGROUND: Premature thelarche (PT) seems to be increasing and it is difficult to differentiate its early stages from precocious puberty (PP). Clinical and biochemical parameters are warranted to differentiate the two diagnoses.METHODS: One hundred ninety-one girls aged 0.5-7 years were included. Diagnoses were validated and the girls were categorized to the groups PP (n = 27) and PT (n = 164). Anthropometry, Tanner stages, ethnicity, bone age, and biochemistry, were recorded. Conventional variables for diagnosing PP were compared between the groups at time of referral to identify parameters predictive for the diagnosis.RESULTS: The referral rate of PT increased from 1998-2013. Girls with PT and PP differed with regards to age at referral, body mass index standard deviation scores (BMISDS), ethnicity, bone age advancement, basal luteinizing hormone (LH), gonadotropin releasing hormone (GnRH) stimulated LH and follicle stimulating hormone (FSH), basal and stimulated LH/FSH ratio, and sex-hormone binding globulin (SHBG). Apart from SHBG there was considerable overlap of the variables between the PT and the PP groups.CONCLUSIONS: First, the incidence of PT appears to increase. Second, SHBG was the variable which best discriminated PT from PP. Third, stimulated LH in 1-3 years old girls with PT is similar to stimulated LH in 5-7 years old girls with PP. Age, BMISDS, ethnicity, bone age, stimulated gonadotropins and LH/FSH and SHBG are all useful variables for differentiating PP from PT. However normative data for stimulated LH and FSH in the age group 0.5-7 years are warranted.

AB - BACKGROUND: Premature thelarche (PT) seems to be increasing and it is difficult to differentiate its early stages from precocious puberty (PP). Clinical and biochemical parameters are warranted to differentiate the two diagnoses.METHODS: One hundred ninety-one girls aged 0.5-7 years were included. Diagnoses were validated and the girls were categorized to the groups PP (n = 27) and PT (n = 164). Anthropometry, Tanner stages, ethnicity, bone age, and biochemistry, were recorded. Conventional variables for diagnosing PP were compared between the groups at time of referral to identify parameters predictive for the diagnosis.RESULTS: The referral rate of PT increased from 1998-2013. Girls with PT and PP differed with regards to age at referral, body mass index standard deviation scores (BMISDS), ethnicity, bone age advancement, basal luteinizing hormone (LH), gonadotropin releasing hormone (GnRH) stimulated LH and follicle stimulating hormone (FSH), basal and stimulated LH/FSH ratio, and sex-hormone binding globulin (SHBG). Apart from SHBG there was considerable overlap of the variables between the PT and the PP groups.CONCLUSIONS: First, the incidence of PT appears to increase. Second, SHBG was the variable which best discriminated PT from PP. Third, stimulated LH in 1-3 years old girls with PT is similar to stimulated LH in 5-7 years old girls with PP. Age, BMISDS, ethnicity, bone age, stimulated gonadotropins and LH/FSH and SHBG are all useful variables for differentiating PP from PT. However normative data for stimulated LH and FSH in the age group 0.5-7 years are warranted.

KW - Journal Article

U2 - 10.1186/s13633-016-0022-x

DO - 10.1186/s13633-016-0022-x

M3 - Journal article

C2 - 26909102

VL - 2016

SP - 4

JO - International journal of pediatric endocrinology

JF - International journal of pediatric endocrinology

ER -