Presentation
Pain, erythema, and inflammation in the lower eyelid and inner canthus of the right eye, epiphora.
Patient Data
In the non-contrast phase, soft tissue thickening of the lower eyelid and the inner canthus of the right eye due to inflammatory changes is demonstrated. In the contrast-enhanced phase, faint soft tissue enhancement is observed, and a hypodense oval image of thick enhancing walls corresponding to the inflamed right lacrimal sac. No collections or alteration of intraconal fat are observed. These findings are consistent with right preseptal cellulitis secondary to dacryocystitis.
Additionally, cystic dilation of the left lacrimal sac corresponding to dacryocystocele is observed.
Case Discussion
Dacryocystitis refers to an inflammation or infection of the lacrimal sac, usually secondary to obstruction of the nasolacrimal duct. It can have a congenital or acquired origin, and depending on the time of evolution, it may have an acute or chronic course. Chronic cases are often managed surgically.
Dacryocystography was the first method used to evaluate the lacrimal drainage system, considered the 'gold standard' for assessing obstructive epiphora.
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