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Lacrimal sac dacryolith: a study wit atomic absorption spectrophotometry and scanning electron microscopy
1Department of Ophthalmology, Hacettepe University, School of Medicine, Ankara, Turkey.
European Journal of Ophthalmology
|October 1, 1996
Summary
Dacryoliths, rare causes of nasolacrimal duct obstruction, were analyzed. Microscopic examination revealed a unique structure without inorganic or fungal components, suggesting a novel composition for these lacrimal stones.
Area of Science:
- Ophthalmology
- Pathology
- Biomaterials Science
Background:
- Dacryoliths are uncommon calculi causing nasolacrimal drainage obstruction.
- Understanding dacryolith composition is crucial for diagnosis and treatment.
Observation:
- A dacryolith was analyzed using culture, light microscopy, atomic absorption spectrophotometry, and scanning electron microscopy.
- Hyphae-like structures were observed, but fungal cultures were negative.
- Atomic absorption spectrophotometry detected no inorganic material.
Findings:
- Scanning electron microscopy revealed a dacryolith composed of lobes and lobules.
- The dacryolith's structure was built upon an amorphous core material.
- The composition appears organic, lacking detectable inorganic or fungal elements.
Implications:
- This study provides novel insights into the ultrastructure and composition of dacryoliths.
- Findings may refine diagnostic approaches for nasolacrimal duct obstruction.
- Further research into the organic matrix of dacryoliths is warranted.