Glioma of the Optic Nerve

This rare tumour causes progressive proptosis and optic atrophy but it can be slow growing. There is an association with Von Recklinghausen's disease (neurofibromatosis type 1) and the presence of pigmented patches in the skin should make one suspect this. Treatment by

Table 15.1. Primary orbital tumours.

Vascular

Capillary haemangioma

Cavernous haemangioma

Lymphangioma

Neural

Optic nerve glioma

Meningioma

Neurofibromatoma

Lacrimal gland

Lymphoproliferative

Rhabdomyosarcoma

Histiocytosis

surgical resection and/or radiotherapy is indicated if intracranial spread is documented.

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