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Atypical manifestation of conjunctival epithelial inclusion cyst: a case report
Dong Hyun Kim1, Sang In Khwarg1, Joo Youn Oh1
1Department of Ophthalmology, Seoul National University Hospital, Seoul, South Korea.
Purpose:
To report a case of primary conjunctival epithelial inclusion cyst with atypical manifestation.
Methods:
A 66-year-old woman presented with a yellowish, subconjunctival mass extending from the corneal limbus to the medial canthus in the left eye. Clinical, radiological and histological assays were performed.
Results:
The mass was well-delineated, and the overlying conjunctiva was normal. An enhanced axial orbit computed tomography scan showed a 7.7 × 3.6 mm, well-demarcated, convex-shaped enhanced mass. Neither a connection to the orbital area nor extrusion of intraconal fat was observed. Histological examination revealed that the lesion was a cystic mass that was lined by nonkeratinized, stratified squamous epithelium, and filled with mucous materials and cellular debris. The histologic diagnosis was consistent with conjunctival epithelial inclusion cyst.
Conclusion:
A careful examination using clinical, radiologic and histological studies is essential for the differential diagnosis of subconjunctival mass.
