Case report of eyelid schwannoma: A rare presentation in a child.

PURPOSE

To report a rare case of solitary eyelid schwannoma in a Thai child without clinical manifestation of neurofibromatosis.

OBSERVATIONS

A 9-year-old Thai boy presented with an isolated painless mass on the left lower eyelid. The mass had gradually grown for 2 years. He denied a history of trauma or previous eyelid surgery. A clinical examination revealed no clinical features of neurofibromatosis. The provisional diagnosis at that time was a sebaceous cyst. However, excisional biopsy showed an encapsulated tumor characterized by interlaced spindle-celled fasciculi with focal palisading of nuclei arranging in Antoni A and Antoni B patterns. The immunocytochemistry was strongly positive for S-100 protein reaction. The diagnosis of schwannoma was made, with no recurrence at.

CONCLUSIONS AND IMPORTANCE

Schwannoma of the eyelid is extremely rare in children, accounting for less than 0.1% of all eyelid tumors. Combined with clinical features, histopathologic and immunohistochemical analyses emphasize the disease entities. These findings may extend the knowledge on experiences of schwannoma in children.