Fronto Ethmoidal Mucocele Associated with Type 4 Kuhn Cells

Area of Science:

• Otorhinolaryngology
• Neurosurgery
• Ophthalmology

Background:

• Mucoceles are epithelial-lined sacs that can fill paranasal sinuses.
• Frontoethmoidal mucoceles can cause significant symptoms, including proptosis.
• Type IV Kuhn cells represent a rare anatomical variation within the ethmoid sinuses.

Purpose of the Study:

• To report a case of unilateral frontoethmoidal mucocele associated with a type IV Kuhn cell.
• To describe the surgical management using an externally assisted modified Lothrop's approach.
• To evaluate the efficacy of this surgical technique for complete disease clearance.

Main Methods:

• A 26-year-old male presented with left eye proptosis due to a frontoethmoidal mucocele.
• Diagnosis was confirmed through detailed examination and investigations.
• Surgical intervention involved an externally assisted modified Lothrop's approach with marsupialization of the mucocele into the nasal cavity.

Main Results:

• Intraoperative findings revealed type IV Kuhn cells occupying the frontal sinus.
• The externally assisted modified Lothrop's procedure successfully marsupialized the mucocele.
• The patient experienced relief from proptosis and other symptoms post-surgery.

Conclusions:

• Externally assisted modified Lothrop's approach is a viable alternative for managing frontoethmoidal mucoceles.
• This technique allows for complete clearance of the disease, even in complex cases involving anatomical variations like type IV Kuhn cells.
• Effective management of frontoethmoidal mucoceles can resolve associated symptoms such as proptosis.