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[Dacryolithiasis--analysis of 15 cases]
P Komínek1, S Cervenka, S Doskárová
1ORL oddĕlení Nemocnice, Frýdek Místek. kominek@nemfm.cz
Summary
Dacryoliths, protein-based stones in the tear sac, affect 15-20% of patients undergoing dacryocystorhinostomy. Surgical removal via dacryocystorhinostomy resolves symptoms, highlighting its effectiveness for dacryolithiasis.
Area of Science:
- Ophthalmology
- Biochemistry
Context:
- Dacryoliths are protein or mineral concretions found in the lacrimal sac, occurring in 15-20% of patients undergoing dacryocystorhinostomy.
- Dacryolithiasis is more prevalent in women, potentially due to lacrimal duct structure, hormonal factors, and cosmetic product use.
- Chronic inflammation of the lacrimal sac is implicated in dacryolith formation.
Purpose:
- To analyze the composition of dacryoliths and evaluate the efficacy of dacryocystorhinostomy for dacryolithiasis.
- To investigate the characteristics of dacryoliths in a cohort of patients undergoing surgery.
Summary:
- A study examined 16 dacryoliths (10 from women, 6 from men) using infrared spectroscopy and gas chromatography.
- All analyzed dacryoliths were composed of proteins; calcium and phosphate salts were not detected.
- All patients experienced complete resolution of symptoms following dacryocystorhinostomy.
Impact:
- Dacryocystorhinostomy is confirmed as the primary surgical intervention for symptomatic dacryolithiasis.
- Understanding dacryolith composition aids in diagnosis and surgical planning.
- This research contributes to the understanding of dacryolithiasis etiology and management.