Orbital mass

Changed by Henry Knipe, 1 Jun 2020

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An orbital mass carries a relatively wide differential:

tumours
- lymphoma
- metastasis
- lacrimal gland or duct tumours
- rhabdomyosarcoma of the orbit
- retinoblastoma
- optic nerve meningioma
- optic nerve glioma
- optic nerve schwannoma
- neurofibroma
- developmental orbital cysts ³:
  - choristoma
    - epidermoid
    - dermoid (external angular dermoid): commonest benign orbital tumour in childhood
  - teratoma (rare)
  - congenital cystic eye
  - colobomatous cyst
orbital pseudotumour
orbital sarcoidosis
vascular lesions
- capillary haemangioma: in infancy
- cavernous haemangioma
- orbital venous varix
- lymphangioma

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Orbital mass

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