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Endolymphatic hydrops in children

E Bachor1, C S Karmody

  • 1Department of Otolaryngology, Universität Regensburg, Germany.

ORL; Journal for Oto-Rhino-Laryngology and Its Related Specialties
|May 1, 1995
PubMed
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Endolymphatic hydrops (EH) was found in 16.9% of pediatric temporal bones, often linked to a collapsed ductus reuniens. Congenital anomalies increased EH incidence in children.

Area of Science:

  • Otolaryngology
  • Pediatric Pathology
  • Histology

Background:

  • Ménière's disease is primarily observed clinically, with limited histological data on endolymphatic hydrops (EH) in children.
  • Previous studies have not extensively documented the incidence of EH in pediatric temporal bones.

Purpose of the Study:

  • To determine the incidence of endolymphatic hydrops (EH) in the temporal bones of children.
  • To investigate potential contributing factors to EH development, such as ductus reuniens obliteration.

Main Methods:

  • Light microscopy analysis of 118 temporal bones from 70 infants (newborn to 10 years).
  • EH defined as bulging of Reissner's membrane in more than one cochlear turn.
  • Examination of endolymph spaces and ductus reuniens for contributing factors.

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Main Results:

  • Endolymphatic hydrops (EH) was diagnosed in 16.9% of pediatric temporal bones.
  • A bulging of Reissner's membrane was observed in 54.2% of bones, but only 16.9% met EH criteria.
  • A collapsed ductus reuniens was found in 49.2% of temporal bones, potentially contributing to EH.

Conclusions:

  • Endolymphatic hydrops (EH) occurs in a significant proportion of pediatric temporal bones.
  • A collapsed ductus reuniens may play a role in the development of EH.
  • EH incidence was higher in cases with congenital anomalies, though not linked to a specific disease.