Bilateral Metastases of Colorectal Cancer to the Choroid and Optic Disc
International Journal of Ophthalmology & Visual Science
Volume 2, Issue 3, August 2017, Pages: 65-68
Received: Feb. 28, 2017; Accepted: Apr. 22, 2017; Published: Jun. 12, 2017
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Caleb Roy Walker, Tennessee Retina, Nashville, USA
David Alan Reichstein, Tennessee Retina, Nashville, USA
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Introduction: Metastatic colorectal cancer is highly fatal disease. While metastases are usually found in the thoracic cavity in colorectal cancer, the choroid has been shown to harbor metastases. The retrobuorbital pathway, although rarely, has also demonstrated colorectal metastases. Case report: A 54-year-old male with a one-year history of disseminated colon cancer presented with vision loss in his right eye in October 2013. A choroidal metastasis was found extending from the optic disc toward the fovea, Initial treatment consisted of systemic chemotherapy, supplemented by External Beam Radiation Therapy to the right eye one year after diagnosis. Thirteen months later, the left eye was found to have a choroidal tumor surrounding the disc. The cancer progressed through both local and systemic treatment. Discussion: While the disease progressed through multiple rounds of chemotherapy, external beam radiation therapy was shown to be effective in regressing the tumors. Managing refractory metastatic disease presents unique challenges in properly prioritizing therapeutic routes.
Colorectal Cancer, Ocular Metastases, External Beam Radiation Therapy, Optic Disc Tumor
To cite this article
Caleb Roy Walker, David Alan Reichstein, Bilateral Metastases of Colorectal Cancer to the Choroid and Optic Disc, International Journal of Ophthalmology & Visual Science. Vol. 2, No. 3, 2017, pp. 65-68. doi: 10.11648/j.ijovs.20170203.11
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This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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