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Metastasis from uveal melanoma after proton beam irradiation

Journal Article · · Ophthalmology (Rochester, Minn.); (United States)
The incidence of metastasis and prognostic factors for metastasis in 780 consecutive patients with uveal melanomas treated with proton beam irradiation were evaluated. Metastasis developed in 64 patients (8%). The median time from treatment to the diagnosis of metastasis was 2.1 years (range, 3 months to 7.3 years). The liver was primarily involved in 58 (90%) patients. The 5-year cumulative probability of metastasis developing was 20%. Prognostic factors for metastasis developing were quite comparable to those found for patients treated by enucleation and included largest tumor diameter, involvement of the ciliary body, older age, and extrascleral extension. Surgical localization, tumor height, and elevated liver enzymes before treatment were not important factors in the development of metastasis.
Research Organization:
Massachusetts Eye and Ear Infirmary, Boston (USA)
OSTI ID:
6557608
Journal Information:
Ophthalmology (Rochester, Minn.); (United States), Journal Name: Ophthalmology (Rochester, Minn.); (United States) Vol. 95:7; ISSN OPHTD
Country of Publication:
United States
Language:
English