An Unusual Case of Dacryocystitis After Dacryocystectomy: Is It Still Possible to Perform a Dacryocystorhinostomy?

This is a rare case of a patient who developed a relapse of dacryocystitis and maxillary sinusitis although previous dacryocystectomy. We decided to perform an external dacryocystorhinostomy to remove the scar and the residual part of the lacrimal sac combined with endoscopic sinus surgery (ESS) to solve the symptoms.