Central precocious puberty associated with duplicated pituitary: a case report and literature review

Kun Yang1, Yanmei Sang2,3, Li Dai1

  • 1Baoding Hospital, Beijing Children's Hospital affiliated to Capital Medical University, Baoding, Hebei, China.

Frontiers in Endocrinology
|February 26, 2025
PubMed

Insights

This case study details a young girl with pituitary duplication presenting with central precocious puberty (CPP). Treatment with gonadotropin-releasing hormone analogue (GnRHa) effectively delayed puberty and improved predicted adult height.

Area of Science:

  • Endocrinology
  • Pediatric Endocrinology
  • Neuroendocrinology

Background:

  • Pituitary duplication is a rare congenital anomaly associated with significant neurodevelopmental and craniofacial issues.
  • Central precocious puberty (CPP) is an uncommon manifestation of pituitary duplication, with only eight cases previously reported.
  • Early diagnosis and intervention are crucial for managing CPP and optimizing long-term outcomes.

Purpose of the Study:

  • To report a case of pituitary duplication presenting with central precocious puberty (CPP) in a pediatric patient.
  • To describe the clinical presentation, diagnostic findings, and treatment response in this rare condition.
  • To highlight the efficacy of gonadotropin-releasing hormone analogue (GnRHa) therapy in managing CPP associated with pituitary duplication.

Main Methods:

  • A 6-year-old girl presented with clinical signs of precocious puberty.
  • Magnetic Resonance Imaging (MRI) revealed a duplicated pituitary gland.
  • Gonadotropin-releasing hormone analogue (GnRHa) stimulation test confirmed CPP.
  • Treatment with GnRHa was initiated.

Main Results:

  • The patient exhibited classic symptoms of CPP, including breast development, accelerated growth, advanced bone age, and elevated hormone levels.
  • MRI confirmed the presence of a duplicated pituitary gland.
  • The GnRHa stimulation test was positive, indicating central precocious puberty.
  • Following 2 years of GnRHa treatment, the patient showed delayed progression of sexual development, reduced CPP symptoms, and an improved predicted adult height.

Conclusions:

  • Pituitary duplication can present with central precocious puberty (CPP) in pediatric patients.
  • GnRHa therapy is an effective treatment for CPP in the context of pituitary duplication.
  • This case underscores the importance of considering rare anatomical variations in the diagnosis and management of pediatric endocrine disorders.

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