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Published on: August 15, 2025
Endoscopic surgery for fronto-ethmoidal mucoceles: a 15-year experience
Rataphol Chris Dhepnorrarat1, Somasundaram Subramaniam, Dharmbir Singh Sethi
1Department of Otolaryngology, Singapore General Hospital, Singapore. rcdhep@gmail.com
Summary
Endoscopic surgery effectively treats fronto-ethmoidal mucoceles. Draf IIb procedures showed a higher risk of frontal recess restenosis compared to Draf IIa, highlighting a key factor influencing surgical outcomes.
Area of Science:
- Otolaryngology
- Neurosurgery
- Endoscopic Sinus Surgery
Background:
- Fronto-ethmoidal mucoceles are cystic expansions of the frontal and ethmoid sinuses.
- Surgical management is necessary for symptomatic mucoceles.
- Endoscopic techniques offer minimally invasive treatment options.
Purpose of the Study:
- To contribute to the understanding of endoscopic surgery for fronto-ethmoidal mucoceles.
- To identify factors impacting the success of endoscopic surgical interventions.
Main Methods:
- A retrospective case series review of adult patients treated between 1995 and 2010.
- Inclusion criteria required at least 6 months of follow-up post-surgery.
- Analysis of surgical techniques (Draf IIa, IIb, III) and patient outcomes.
Main Results:
- Forty patients underwent 44 endoscopic procedures for fronto-ethmoidal mucoceles.
- The most frequent complication was frontal recess restenosis, occurring in 23% of Draf IIb cases versus 3.6% of Draf IIa cases.
- Two patients required revision surgery for restenosis or recurrence.
Conclusions:
- Endoscopic approaches are well-suited for the majority of fronto-ethmoidal mucocele cases.
- Draf IIb procedures are associated with a significantly higher rate of frontal recess restenosis compared to Draf IIa.
- Careful surgical technique selection is crucial for optimizing outcomes in endoscopic mucocele management.

