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Dacryoliths in chronic dacryocystitis and their composition (spectrophotometric analysis)
E Iliadelis1, V Karabatakis, M Sofoniou
1Department of Ophthalmology, Kyanous Stavros Clinic, Thessaloniki, Greece.
European Journal of Ophthalmology
|January 29, 2000
Summary
Large dacryoliths, or tear stones, are primarily composed of organic material, not inorganic salts. Histological and chemical analysis revealed amorphous organic matter with minimal calcium salt deposition in these rare cases.
Area of Science:
- Ophthalmology
- Histopathology
- Analytical Chemistry
Background:
- Dacryoliths are rare calcifications within the lacrimal drainage system.
- Large dacryoliths are infrequently encountered, necessitating detailed analysis.
Purpose of the Study:
- To perform histological and chemical analysis on large dacryoliths.
- To correlate findings with existing literature on dacryolith formation.
Main Methods:
- Analysis of large dacryoliths from two patients undergoing dacryocystorhinostomy.
- Histological examination for tissue composition.
- Chemical analysis using atomic absorption spectrophotometry (F.AAS) and atomic emission spectrometry (AES).
Main Results:
- Histology showed amorphous organic material with minor calcium salt deposits.
- Chemical analysis confirmed a predominance of organic material.
- Minimal inorganic material was detected in the analyzed dacryoliths.
Conclusions:
- Large dacryoliths are predominantly organic in nature.
- Findings suggest a unique formation process for these large concretions.
- Further research is needed to fully elucidate dacryolith etiology.