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[Precocious puberty: experience in the Pediatric Endocrinology Unit at the Children's Hospital in Rabat]
Kaoutar Rifai1,2, Youssra El Khayat1, Ahmed Gaouzi1
1Unité d´Endocrinologie, Service de Pédiatrie II, Hôpital d´Enfants, Faculté de Médecine et de Pharmacie, Université Mohammed V Souissi, Rabat, Maroc.
Introduction:
precocious puberty is defined as the development of sexual characteristics before 8 years of age in girls and 9 years of age in boys. The purpose of our study was to describe the clinical, paraclinical and etiological profile of precocious puberty.
Methods:
we conducted a retrospective descriptive study from 1999 to 2017 in the Pediatric Endocrinology Unit at the Rabat Children's Hospital.
Results:
ninety-nine children were included in the study. The average age of girls was 4.25 ± 2.6 years, while that of boys was 3.6 ± 1.8 years. There was a female predominance (90%; 90 girls). The telltale signs in girls were dominated by breast development (77.77%). In boys, the most common reason for consultation was pubic hair (70%). Biologically, in central precocious puberty, the mean peak LH level after GnRH stimulation was high (17 IU/L) with a mean peak LH to peak FSH ratio of 1.30. The causes included: dissociated early puberty (60.60%), pathological early puberty (39.40%). In the latter, we noted a predominance of precocious pseudopuberty (58.98%). Concerning the central precocious puberty, idiopathic central precocious puberty was the most common etiology in girls (62.5%). In all boys, central nervous system lesion was found.
Conclusion:
our study confirms that central pathological precocious puberty is often related to a lesion of the central nervous system in boys, thus justifying systematic brain imaging.
