[Orbital metastasis]

Orbital metastases are uncommon, accounting for 4% of all adult orbital tumors. The mean age at time of presentation is 60 years. The primary tumor is most often a carcinoma involving the breast (40%), lung (11%), or prostate (8%). Proptosis is the main clinical sign at diagnosis and is often associated with visual impairment, pain or ptosis. Imaging features are not specific; nevertheless, an enhanced extraconal tumor with osteolysis suggests the diagnosis. From a pathological point of view, there are no differences between the metastasis and the primary tumor. Regarding the average survival, the gold standard treatment remains radiotherapy.