Preoperative Computed Tomography Findings for Patients with Nasolacrimal Duct Obstruction or Stenosis
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Purpose: To identify and analyze the role of preoperative computed tomography (CT) in patients with tearingsymptoms with nasolacrimal duct obstruction (NLDO). Methods: We retrospectively reviewed the medical records and CT results on 218 patients who complained oftearing symptoms with NLDO between January 2014 and December 2014. All patients were recruited fromKim’s Eye Hospital's outpatient clinic and assessed by clinical history, examination, and CT to evaluate periocularpathology and nasolacrimal drainage system. Patients with abnormal findings assessed by preoperativeCT were further reviewed. Results: CT was performed on 218 patients (average age, 58.2 ± 11.9 years). Of these, 196 (89.9%) had endonasaldacryocystorhinostomy, 14 (6.4%) declined surgery, and 8 (3.7%) were inoperable due to abnormal CTfindings. Soft tissue opacity was the most common finding which 243 cases (85.9%) of 283 obstructed nasolacrimalduct and 89 cases (81.7%) of 109 non-obstructed nasolacrimal duct showed it. Thirty-nine (17.8%) of218 patients showed either maxillary sinusitis or ethmoidal sinusitis and 32 (14.7%) of 218 patients presentedwith periocular inflammation. Other abnormal CT findings included septal deviations, previous fractures, masses,and structural abnormalities of nasal cavity. Conclusions: Preoperative CT imaging is useful in the assessment of both nasolacrimal drainage and nearbyanatomical structures. This information will be helpful in planning surgical interventions and management ofNLDO.
Abstract
Purpose: To identify and analyze the role of preoperative computed tomography (CT) in patients with tearingsymptoms with nasolacrimal duct obstruction (NLDO). Methods: We retrospectively reviewed the medical records and CT results on 218 patients who complained oftearing symptoms with NLDO between January 2014 and December 2014. All patients were recruited fromKim’s Eye Hospital's outpatient clinic and assessed by clinical history, examination, and CT to evaluate periocularpathology and nasolacrimal drainage system. Patients with abnormal findings assessed by preoperativeCT were further reviewed. Results: CT was performed on 218 patients (average age, 58.2 ± 11.9 years). Of these, 196 (89.9%) had endonasaldacryocystorhinostomy, 14 (6.4%) declined surgery, and 8 (3.7%) were inoperable due to abnormal CTfindings. Soft tissue opacity was the most common finding which 243 cases (85.9%) of 283 obstructed nasolacrimalduct and 89 cases (81.7%) of 109 non-obstructed nasolacrimal duct showed it. Thirty-nine (17.8%) of218 patients showed either maxillary sinusitis or ethmoidal sinusitis and 32 (14.7%) of 218 patients presentedwith periocular inflammation. Other abnormal CT findings included septal deviations, previous fractures, masses,and structural abnormalities of nasal cavity. Conclusions: Preoperative CT imaging is useful in the assessment of both nasolacrimal drainage and nearbyanatomical structures. This information will be helpful in planning surgical interventions and management ofNLDO.
참고문헌 (21)
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