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[Precocious puberty and laugh attacks].

W Koelfen1, J Wentz

  • 1Universitäts-Kinderklinik, Mannheim.

Monatsschrift Kinderheilkunde : Organ Der Deutschen Gesellschaft Fur Kinderheilkunde
|August 1, 1991
PubMed
Summary

A rare case of precocious puberty and epilepsy in a child was linked to a hypothalamic hamartoma. This brain lesion caused early puberty and seizures, impacting the patient's social adjustment.

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Area of Science:

  • Pediatric Neurology
  • Neuroendocrinology
  • Epileptology

Background:

  • Precocious puberty and epilepsy can present concurrently, posing diagnostic challenges.
  • Hypothalamic hamartomas are rare congenital tumors associated with various neurological and endocrine abnormalities.
  • Ictal laughter, a rare epileptic manifestation, requires careful etiological investigation.

Observation:

  • A 7-year-old girl exhibited precocious puberty (Tanner stages B III-IV, PH II) and elevated gonadotropin and sex hormone levels.
  • The initial symptom was brief, repetitive attacks of stereotyped laughter, indicative of an epileptic syndrome.
  • Radiological imaging revealed a hypothalamic hamartoma, with normal CT and MRI findings otherwise.

Findings:

  • The hypothalamic hamartoma was identified as the likely cause of both precocious puberty and the epileptic syndrome with ictal laughter.
  • Bone age was advanced (11 years), and weight percentile increased significantly, consistent with hormonal changes.
  • Despite treatment, seizure control and social adjustment remained poor, highlighting the challenges in managing this condition.

Implications:

  • This case underscores the importance of considering hypothalamic hamartomas in the differential diagnosis of combined precocious puberty and epilepsy.
  • Early identification and management of hypothalamic hamartomas are crucial for improving neurological and endocrine outcomes.
  • Further research into the pathophysiology of hypothalamic hamartomas and their impact on puberty and seizure disorders is warranted.

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