What causes dacryocystocele?
A dacryocystocele is a cystic bluish swelling that can develop in the medial canthal area of the newborn within the first 12 weeks of life. It is due to accumulation of fluid trapped within the lacrimal sac, which is blocked distally at the nasolacrimal duct and proximally at the common canalicular duct.
What is lacrimal sac?
The lacrimal sac lies within a fossa in the anterior portion of the medial orbital wall. This fossa is formed by the frontal process of the maxillary bone and the lacrimal bone. The sac is surrounded by fascia, continuous with the periorbita, which runs from the anterior to the posterior lacrimal crests.
What is chronic Dacryocystitis?
Chronic dacryocystitis is a result of chronic obstruction due to systemic disease, repeated infection, dacryoliths, and chronic inflammatory debris of the nasolacrimal system. Some common systemic diseases include Wegener’s granulomatosis, sarcoidosis, and systemic lupus erythematosus.
Where is the nasolacrimal duct?
Tear ducts are another name for the nasolacrimal ducts. They form at the corner of your eye nearest your nose. They run underneath the skin and connect to your facial bones and nose.
What is another name for the lacrimal sac?
dacryocyst (noun) lacrimal sac (noun)
What causes the lacrimal gland to swell?
Lacrimal Gland swelling may be acute or chronic. Acute swelling is caused by a bacterial or viral infection such as mumps, Epstein-Barr virus, gonococcus and staphylococcus. Chronic swelling could be due to non-infectious inflammatory disorders such as thyroid eye disorder, sarcoidosis and orbital pseudotumor.
How is dacryocystitis diagnosed?
Diagnosis. Diagnosing dacryocystitis is relatively simple. During an exam, a doctor may ask for a person’s medical history and then access the eye for visible signs of dacryocystitis, such as swelling or redness. A doctor may press on the lacrimal sac to see if pus comes out.