期刊
ORBIT-THE INTERNATIONAL JOURNAL ON ORBITAL DISORDERS-OCULOPLASTIC AND LACRIMAL SURGERY
卷 40, 期 5, 页码 364-369出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01676830.2020.1793374
关键词
Primary nasolacrimal duct obstruction; radiological anatomy
The study compared nasolacrimal duct anatomy between gender, age, and facial features, finding that the nasolacrimal duct calibre correlated with age, gender, and facial width, with longer ducts in males and smaller ducts in younger females. Acquired nasolacrimal duct obstruction in patients without certain demographics or facial features may be more likely due to secondary causes.
Purpose: To compare nasolacrimal duct anatomy between gender, age, and facial features, and explore correlations between bony parameters. Methods: A retrospective case series of patients of four races who had high-resolution computed tomography (CT) between 2004 and 2019 covering the full length of their nasolacrimal ducts in two hospitals in Essex, England. Only normal ducts were included; patients with tearing or radiological abnormalities were excluded. Measurements were taken of the nasolacrimal duct and surrounding anatomy based on measurements found in the existing literature. Results: More females (n = 114) than males (n = 40) were included. Mean age was slightly older for females (45.7 years) compared to males (42.5). Males have taller noses and wider faces. Nasolacrimal duct calibre correlated positively with age, male gender, and facial width, and negatively with nasal height. There was a tendency for nasolacrimal ducts to be longer in males. Conclusion: The bony nasolacrimal duct is smaller in younger female patients. Having a taller nose and narrower upper face is also correlated with a smaller calibre duct. Acquired nasolacrimal duct obstruction in patients without these demographics or facial features may be more likely due to secondary causes.
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