- 1 in 4,000 births.
- Cyst (75% unilateral and 25% bilateral) between the lower part of the orbit and the nose.
- About 90% of dacrocystoceles are due to delayed canalization of the lacrimal duct beyond 32 weeks’ gestation.
- Differential diagnosis includes anterior encephaloceles (they are often associated with intracranial abnormalities, such as hydrocephalus), hemangiomas (they are usually solid or multiseptated), and dermoid cysts (these are usually located superolaterally).
- The incidence of chromosomal abnormalities and genetic syndromes is not increased.
- Detailed ultrasound examination.
- Follow-up should be standard.
- Standard obstetric care and delivery.
- They resolve spontaneously either in the 3rd trimester or within the first 6 months of life.
- Occasionally, nasolacrimal duct probing may be required to open the obstruction.
- No increased risk of recurrence.