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Article
April 1984

Helium Ion Charged-Particle Therapy for Choroidal MelanomaHistopathologic Findings in a Successfully Treated Case

Author Affiliations

From the Departments of Ophthalmology, University of South Florida College of Medicine, Tampa (Drs Grizzard and Torczynski), and the University of California at San Francisco (Dr Char). Dr Grizzard is now in private practice in Tampa, Fla. Dr Torczynski is now with the Department of Ophthalmology, University of Chicago.

Arch Ophthalmol. 1984;102(4):576-578. doi:10.1001/archopht.1984.01040030454025
Abstract

• A 47-year-old man with a large (20 × 20 × 12-mm) choroidal melanoma in his only eye was treated with helium ion radiation. The patient retained 6/7.5 visual acuity for 2½ years before he was killed in an automobile accident. The eye was ruptured at the time of death; however, histopathologic examination of the eye revealed no residual tumor. The residual ocular mass was composed of eosinophilic amorphous material and macrophages. Necropsy failed to reveal any evidence of metastasis at the time of death. Helium ion charged-particle irradiation in this case was able to completely eradicate the tumor while preserving useful vision.

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