Lacrimal sac fibroma.
A benign encapsulated fibroma within the right lacrimal sac was found to be the cause of nasolacrimal obstruction in a 75-year-old man. This rare tumour was completely excised through an incision for a routine dacryocystorhinostomy, which could then be done.
D000368:Aged; D003608:Dacryocystorhinostomy; D005134:Eye Neoplasms / Q000150:complications / Q000601:surgery*; D005350:Fibroma / Q000150:complications / Q000601:surgery*; D006801:Humans; D007766:Lacrimal Apparatus Diseases / Q000150:complications / Q000601:surgery*; D007767:Lacrimal Duct Obstruction / Q000209:etiology; D008297:Male