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A Comprehensive Review of Dacryoscintigraphy: Part I-Indications, Techniques, and Utility
Hatem A Tawfik1, Bhupendra C K Patel2, Raman Malhotra3
1Department of Ophthalmology, Ain Shams University, Cairo, Egypt.
Ophthalmic Plastic and Reconstructive Surgery
|July 14, 2025
Summary
Dacryoscintigraphy (DSG) has limited diagnostic accuracy for epiphora due to various factors. Its findings often do not significantly impact clinical decisions, questioning its routine use in lacrimal practice.
Area of Science:
- Ophthalmology
- Nuclear Medicine
Background:
- Epiphora, or excessive tearing, is a common condition requiring accurate diagnosis.
- Dacryoscintigraphy (DSG) is a diagnostic imaging technique used to evaluate the lacrimal drainage system.
Purpose of the Study:
- To assess the diagnostic accuracy and clinical relevance of dacryoscintigraphy (DSG) in patients presenting with epiphora.
- To determine if DSG provides significant value beyond a standard clinical examination in everyday lacrimal practice.
Main Methods:
- A comprehensive literature search was conducted on PubMed/Medline for studies on dacryoscintigraphy (DSG).
- Analysis included DSG techniques, indications, result interpretation, clinical utility, and limitations.
Main Results:
- DSG findings often do not significantly enhance a clinical examination for epiphora.
- Diagnostic reliability is compromised by lack of standardization, poor image quality, variability, low specificity, and inability to differentiate stenosis from obstruction.
- Limitations hinder the assessment of lacrimal surgery outcomes.
Conclusions:
- DSG is not widely adopted by lacrimal surgeons globally.
- The technique frequently fails to substantially influence clinical decision-making in epiphora management.
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