[Atypical frontal sinus mucocele. A case report]

Area of Science:

• Ophthalmology
• Otorhinolaryngology

Background:

• Mucoceles are cystic masses formed by blocked sinus drainage.
• Frontal mucoceles commonly originate from the frontal or ethmoidal sinuses.

Observation:

• A 46-year-old woman presented with a tender, painful left superior eyelid mass over six months.
• The mass exhibited atypical clinical and histopathologic features.

Findings:

• The eyelid mass was diagnosed as a frontal mucocele.
• Atypical features necessitate careful clinical and histopathologic evaluation.

Implications:

• This case expands the understanding of frontal mucocele presentations.
• Highlights the importance of considering mucoceles in eyelid masses with unusual characteristics.