Intra-conal orbital metastasis - breast cancer

Case contributed by Dr Chris O'Donnell

Presentation

Progressive left visual loss over the last few weeks. Past history of metastatic breast cancer with liver involvement.

Patient Data

Age: 50
Gender: Female

Enhancing intra-conal mass (with restricted diffusion) in the posterior orbit encircling and compressing the optic nerve.  Note subtle T2 brightening in the optic nerve anterior to the mass indicative of oedema.

Case Discussion

Purely intraconal mass lesions are rare and have a large differential diagnosis.  In this case the mass has an aggressive appearance and is painless thus the differential is limited to metastasis (in this case breast) and lymphoma.  Metastatic tumours to the orbit are very rare with breast being the most common followed by melanoma.  Involvement is often intra and extraconal, infiltrating the ocular muscles.

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Case information

rID: 49521
Case created: 25th Nov 2016
Last edited: 26th Nov 2016
Inclusion in quiz mode: Included

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