Antenatal sonographic diagnosis of dacryocystocele

Prenatal diagnosis and perinatal outcome of congenital dacryocystocele: a large case series

“…Dacryocystocele is a rare anatomic disorder resulting from congenital lacrimal and/or nasolacrimal duct obstruction . Prenatal diagnosis has been reported by a number of investigators . The reported incidence ranges from 0.1 to 2.76% .…”

“…The most common cause is an incomplete canalization of the distal nasolacrimal duct at the level of the valve of Hasner, a process that starts in the third month and is typically completed at the sixth month of fetal life . Prenatal diagnosis of dacryocystocele by ultrasound has been previously reported . The literature suggests that such cystic lesions can spontaneously resolve in utero or after birth but are often complicated by infection (dacryocystitis) and frequently require surgical intervention …”