Endoscopic Excision of Nasolacrimal Duct Cyst
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Author: Vikash Modi
Published:
Specialties: Ophthalmology, Otolaryngology, Pediatric Otolaryngology
Schools: Weill Cornell Medical College
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Loading...The patient is a 4 week old female infant with right sided epiphora and complete right sided nasal obstruction resulting in respiratory and feeding difficulty. Physical exam demonstrated a right medial canthal mass consistent with a dacrocystocele. Flexible fiberoptic nasal endoscopy demonstrated an anterior nasal mass below the inferior turbinate occluding the entire right nasal cavity consistent with a nasolacrimal cyst. The etiology is obstruction at the level of Hassner's valve.
Procedure
1. Lidocaine with epinephrine pledgelets are placed in the nasal cavity around the nasal mass and inferior turbinate 2. Nasolacrimal duct probing is performed by a pediatric ophthalmologist 3. Marsupialization is performed under endoscopic visualization by a pediatric inferior turbinate microdebridder. Special care is taken to not demucosalize the inferior turbinate and lateral nasal wall. 4. The nasolacrimal system is irrigated to clear any debris from the system.
Indications
Infants with nasal obstruction secondary to a nasolacrimal duct cyst. Unilateral cases present with unilateral nasal obstruction and rhinorrhea. Bilateral cases present with severe respiratory distress requiring prompt intervention.
Contraindications
Any contradiction to general anesthesia
Instrumentation
Setup
Pediatric sinus telescope (0 and 30 degree), karl storz camera and monitor, pediatric inferior turbinate microdebridder
Preoperative Workup
CT Scan of the sinus
Anatomy and Landmarks
Mass is located anterior and inferior to the middle turbinate. (Be careful not to demucosalize the undersurface of the inferior turbinate and lateral nasal wall. This can lead to synechiae formation and nasal stenosis)
Advantages/Disadvantages
Advantages: Improved nasal airway and breathing Disadvantages: Risk of general anesthesia
Complications/Risks
1. Synechiae and nasal stenosis if there is demucosalization of the undersurface of the inferior turbinate and lateral nasal wall. 2. Recurrent nasolacrimal duct cyst.
Disclosure of Conflicts
Not Available
Acknowledgements
Not Available
References
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