Metastatic breast cancer: an unusual cause of diplopia

Abstract

While secondary solid cancer into the eye orbit is rare, it is the most common site for primary metastasis in female breast cancer. We report a case of a sixty-six years old woman presenting to her optician with complaints of double vision. Magnetic resonance imaging revealed an invasive lesion in the superior and medial rectus muscles of the right orbit, biopsy of which confirmed this as an infiltrating breast carcinoma. Investigation of the primary lesion showed an advanced invasive ductal carcinoma of the right breast. She was then treated with radiotherapy to the orbit and a non steroidal aromatase inhibitor Anastrozol (Arimidex®). We herein review and discuss the literature, epidemiology, mechanism of tumor spread, the “seed and soil” theory, clinical presentation, pathology, and management of this uncommon presentation.

Keywords

Metastatic breast cancer / diplopia / ocular metastasis

References

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