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Precocious Puberty: Types, Pathogenesis and Updated Management.

Ahmed Alghamdi1

  • 1Pediatric Endocrinology, Faculty of Medicine, Al Baha University, Al Baha, SAU.

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PubMed
Summary
This summary is machine-generated.

Precocious puberty (PP) is early sexual development before age 8 in girls and 9 in boys. This review details clinical findings, diagnostics, and new management trends for central and peripheral PP types.

Keywords:
adrenal hyperplasiaaromatase inhibitorsdlk1familial male-limited precocious pubertygnrhakiss1mccune-albright syndromemkrn3precocious puberty

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Area of Science:

  • Pediatric Endocrinology
  • Reproductive Medicine
  • Clinical Diagnostics

Background:

  • Precocious puberty (PP) is defined as the appearance of secondary sexual characteristics before age 8 years in girls and 9 years in boys.
  • PP is categorized into central (gonadotropin-dependent) and peripheral (gonadotropin-independent) types, each with distinct etiologies and management strategies.
  • Understanding the diverse causes, from genetic mutations to acquired conditions, is crucial for accurate diagnosis and effective treatment.

Purpose of the Study:

  • To outline the clinical manifestations and diagnostic workup for both central precocious puberty (CPP) and peripheral precocious puberty (PPP).
  • To review current and emerging therapeutic approaches for managing precocious sexual maturation.
  • To differentiate between gonadotropin-dependent and independent forms of PP and their underlying mechanisms.

Main Methods:

  • Comprehensive review of clinical findings associated with PP.
  • Detailed description of laboratory investigations, including serum gonadotropins (luteinizing hormone, follicle-stimulating hormone), sex steroids, and thyroid function tests.
  • Radiographic assessments and genetic testing for etiological diagnosis.

Main Results:

  • Central PP (CPP) is the most common form, resulting from premature activation of the hypothalamic-pituitary-gonadal axis, often linked to genetic factors or central lesions.
  • Peripheral PP (PPP) arises independently of the central axis, caused by genetic disorders (e.g., McCune-Albright syndrome, congenital adrenal hyperplasia) or acquired factors.
  • Treatment varies by PP type: gonadotropin-releasing hormone analogs (GnRHa) for CPP, and glucocorticoids or aromatase inhibitors for specific PPP conditions.

Conclusions:

  • Accurate diagnosis of PP requires a thorough history, physical examination, and targeted laboratory and radiographic investigations.
  • Management strategies are tailored to the specific type of PP, aiming to normalize growth, development, and psychosocial well-being.
  • Advances in understanding genetic and epigenetic factors are paving the way for more precise therapeutic interventions in precocious puberty.