In 26 of 227 patients with carcinoma metastatic to the eye or orbit, metastasis to the anterior uveal tract was the predominating feature. There was a definite propensity for the tumor to involve the horizontal meridian of the iris or ciliary body, rather than the upper or lower portions. The site of the primary tumor in the 26 patients was as follows: lung, 14; breast, 9; kidney, 2; and rectum, 1.
Ocular symptoms and signs produced by the metastatic tumors at onset or during the course of the disease included decreased vision (80%), a visible mass (72%), redness of the eye (56%), pain (56%), glaucoma (56%), iridocyclitis (44%), and hyphema (24%).
The median survival of the 26 patients with metastasis to the anterior segment of the eye was only 5.4 months from the time of ocular surgery. This is poorer than the median survival (7.2 months) of the patients with metastasis confined to the posterior segment, and much worse than the median survival (15.6 months) of the 28 patients with orbital involvement.
Ferry AP, Font RL. Carcinoma Metastatic to the Eye and Orbit: II. A Clinicopathological Study of 26 Patients With Carcinoma Metastatic to the Anterior Segment of the Eye. Arch Ophthalmol. 1975;93(7):472–482. doi:10.1001/archopht.1975.01010020488002
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