Dacryocystocele, unilateral Adam Paer, MD. Article Published: Jun 26, 2007 Costa Rica Case report These are some third trimester ultrasound images showing unilateral dacryocystocele..Images 1 and 2: Transverse scans at the level of the fetal eyes showing unilateral dacryocystocele. Images 3 and 4: Parasagittal scans showing dacryocystocele next to the eyeball. Image 5: 3D image showing small prominences of the medial canthus representing dacryocystocele. Discussion Board Start a discussion about this article Add to Favorites Favorite