Preoperative Radiological Findings Prior Endoscopic Dacryocystorhinostomy in Patients with Nasolacrimal Duct Obstruction | ||||
| Zagazig University Medical Journal | ||||
| Volume 31, Issue 8, August 2025, Page 4009-4015 PDF (1.13 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/zumj.2025.395057.4007 | ||||
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| Authors | ||||
Heba Mohamed Mahmoud Hamdy  1; Ahmed Ibrahim Abdelrahman2
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| 1Otorhinolaryngology department faculty of medicine Zagazig University | ||||
| 2Lecturer of Otorhinolaryngology Department, Faculty of Medicine, Zagazig University, Egypt | ||||
| Abstract | ||||
| Background: Epiphora is a common condition brought on by blockage of the nasolacrimal duct. In order to diagnose and treat these patients, it is critical to evaluate their lacrimal drainage system. This study aimed to identify and analyze the role of preoperative computed tomography (CT) in patients with epiphora due to nasolacrimal duct obstruction (NLDO). Methods: We retrospectively reviewed the medical records and CT results on 60 patients who complained of epiphora due to NLDO between January 2023 and December 2024. All patients were recruited from Zagazig university hospital's outpatient clinic and assessed by clinical history, endoscopic nasal examination, and CT to evaluate nasal, paranasal pathology and lacrimal drainage pathway. All preoperative CT findings were further reviewed. Results: CT was performed on 60 patients (average age, 35.2 ± 10.2 years). All of them had endoscopic Dacryocystorhinostomy. Soft tissue opacity of the NLD was the most common finding. 10 patients had bilateral NLDO, 50 had unilateral NLDO. 13 patients had dacryocystocele, 8 patients showed paranasal sinus opacity. Other CT findings included septal deviations (18 patients), prescence of gar nasi cell (20 patients). Conclusions: Nasolacrimal drainage and surrounding anatomical features can both be evaluated using preoperative CT imaging. Planning surgical procedures and managing NLDO will benefit from this knowledge. | ||||
| Keywords | ||||
| Endoscopic dacryocystorhinostomy; Nasolacrimal duct obstruction; Preoperative computed tomography | ||||
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