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Apical endolymphatic hydrops
Archives of Otolaryngology (Chicago, Ill. : 1960)
|August 1, 1982
Summary
Apical endolymphatic hydrops was found in 15.8% of temporal bones across various ear conditions. This study suggests apical endolymphatic hydrops has no pathological or functional significance in hearing.
Area of Science:
- Otopathology
- Auditory Science
- Temporal Bone Histology
Background:
- Apical endolymphatic hydrops is a condition affecting the inner ear.
- Its prevalence and significance in various cochlear pathologies remain unclear.
Purpose of the Study:
- To determine the incidence of apical endolymphatic hydrops.
- To assess its pathological and functional significance in the context of common otopathologies.
Main Methods:
- Analysis of 495 temporal bones from 300 subjects.
- Subjects had diagnoses including presbycusis, otosclerosis, otitis media, and nonpathologic cochlea.
- Histopathological examination of temporal bone specimens.
Main Results:
- The overall incidence of apical endolymphatic hydrops was 15.8%.
- No significant difference in incidence was observed across the four diagnostic groups.
- Apical endolymphatic hydrops was found in subjects with and without cochlear pathology.
Conclusions:
- Apical endolymphatic hydrops occurs with a notable incidence in the general population.
- The presence of apical endolymphatic hydrops does not correlate with specific otopathologies.
- Current findings suggest apical endolymphatic hydrops lacks pathological or functional significance.