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[Pathophysiology, diagnosis and therapy of three congenital dacryocystoceles]
Background:
Congenital dacryocystocele has been rarely described in German literature. Congenital obstruction and distention of the lacrimal sac makes it necessary to differentiate for various causes.
Patients And Methods:
Three infants had congenital dacryocystocele. The diagnosis was made by sonography and was established by probing the lacrimal duct and nasal endoscopy that showed a white prominent tumor below the lowest conch.
Results:
Directly after endonasal and canalicular opening of the dacryocystocele clear liquid with white detritus drained, and the swelling decreased. No further procedure was needed.
Conclusion:
The diagnosis of dacryocystocele can be made by inspection, probing the lacrimal duct, ultrasound and nasal endoscopy. If probing of the lacrimal duct could not easily open the Hasner's membrane, endonasal opening can be performed. The cooperation with an ear-nose-throat specialist could lead to the diagnosis of dacryocystocele and sufficient treatment without the need for any further radiological examinations.