Журнал клинических и экспериментальных дерматологических исследований
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Atypical Dermoid Presentations-Histopathlogical Diagnosis and Surgical Management

Rizvi Syed AR, Thakur Anchal, Naim Mohd and Akhtar Khafil

The commonest cysts of the orbit are dermoid and epidermoid which are lined by keratinizing squamous epithelium. Dermoid typically present during childhood, but can present at any age. It has been observed that those presenting later in life are often deeper in origin and more challenging in terms of management. Superficial dermoid most often present as an asymptomatic, mobile mass. Deeper tumors may cause diplopia and proptosis. They typically occur superotemporally in the orbit. Other orbital sites are much less common. Four cases with atypical dermoid presentation that consulted a tertiary eye care center were reported. The clinical and radiological features, surgical approach and histological findings are described. Out of the four cases, three were confined to the orbit while one presented as a conjunctival mass. None of them showed any bony invasion. In the orbit, one mass was found over the brow over the frontal bone while the other occurred inferomedially and medially, all unusual sites for dermoid. Excision biopsy of these lesions confirmed dermoid cyst on histopathology. These atypical dermoids although rare do occur.