Either of the two dilated ends of the lacrimal ducts at the nasal ends of the eyes that fill with tears secreted by the lacrimal glands.
1
Two patients had history of lacrimal sac abscess that needed drainage.
2
Squamous cell carcinomas are the most common malignant lacrimal sac neoplasms.
3
Dacryocystography allows the identification of space-occupying tumors in the lacrimal sac.
4
The malignant tumor of lacrimal sac often occurs in the middle-aged and elderly patients.
5
Ocular rhinosporidiosis usually involves the conjunctiva and the lacrimal sac.