泪管良性肿瘤
Pylorospasm not elsewhere classified
泪管阻塞
lacrimal duct obstruction
Lacrimal passage obstruction
泪腺和泪管恶性肿瘤
Malignant neoplasm of lacrimal gland and duct
泪腺和泪管良性肿瘤
Benign neoplasm of lacrimal gland and duct
人工鼻泪管
Artificial nasolacrimal duct
人工泪管植入
bicanalicular silicone intubation