Dacrocystocele Etiology: congenital occlusion of distal nasolacrimal duct Imaging: dumbell cyst – inferomedial canthal + intranasal cystic masss Clinical: usually self-resolving by 6-12 months Radiology Cases of Dacrocystocele Axial (above) and coronal (below) CT without contrast of the orbits show a left inferomedial low density bilobed mass extending from the left medial canthus through the lacrimal duct into the left inferior nasal cavity.
Pediatric Imaging 