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Objective <p>To evaluate using computed tomography dacryocystography (CT-DCG) and its importance in the lacrimal drainage system (LDS) blockage diagnosis.</p> Methods <p>It is a prospective study of 30 patients: 29 females and 1 male with age range from 20 to 65&#xa0;years (34.5) presenting with symptoms with epiphora assessed by CT-DCG.</p> Results <p>Different levels of LDS blockage were evaluated: Canalicular obstruction in 3 patients (10%), lacrimal sac obstruction in 4 cases (13.3%), proximal NLD obstruction in 15 cases (50%), and distal NLD obstruction in 8 (26.7%) cases. The most common CTDCG finding was blockage of the proximal part of the nasolacrimal duct (NLD) in 50% of cases.</p> Conclusion <p>CTDCG seems to be a minimal-invasive, fast, procedure for evaluation of nasolacrimal duct obstruction (NLDO) that could add benefit in diagnosis and preoperative decision-making.</p>

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Role of CT dacryocystography in the management of lacrimal drainage system obstruction

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月31日

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  • Heba Hamdy,
  • Mohammad Waheed El-Anwar,
  • Mohamed Adel Mobasher,
  • Mohamed Ibrahim Amin,
  • Hoda Abdelhamid

摘要

Objective

To evaluate using computed tomography dacryocystography (CT-DCG) and its importance in the lacrimal drainage system (LDS) blockage diagnosis.

Methods

It is a prospective study of 30 patients: 29 females and 1 male with age range from 20 to 65 years (34.5) presenting with symptoms with epiphora assessed by CT-DCG.

Results

Different levels of LDS blockage were evaluated: Canalicular obstruction in 3 patients (10%), lacrimal sac obstruction in 4 cases (13.3%), proximal NLD obstruction in 15 cases (50%), and distal NLD obstruction in 8 (26.7%) cases. The most common CTDCG finding was blockage of the proximal part of the nasolacrimal duct (NLD) in 50% of cases.

Conclusion

CTDCG seems to be a minimal-invasive, fast, procedure for evaluation of nasolacrimal duct obstruction (NLDO) that could add benefit in diagnosis and preoperative decision-making.