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Uveal Melanomas with SF3B1 Mutations: A Distinct Subclass Associated with Late-Onset Metastases.

Ophthalmology 2016, vol. 123, issue 5


To investigate the prevalence and prognostic value of SF3B1 and EIF1AX mutations in uveal melanoma (UM) patients.


Case series.


Cohort of 151 patients diagnosed with and treated for UM.


SF3B1 and EIF1AX mutations in primary tumors were investigated using whole-exome sequencing (n = 25) and Sanger sequencing (n = 151). For the detection of BAP1 mutations, a previously reported cohort of 90 patients was extended using BAP1 sequencing or immunohistochemistry.


The status of SF3B1, EIF1AX, and BAP1 in tumors of patients were correlated to clinical, histopathologic, and genetic parameters. Survival analyses were performed for patients whose tumors had SF3B1, EIF1AX, and BAP1 mutations.


Patients with tumors harboring EIF1AX mutations rarely demonstrated metastases (2 of 28 patients) and overall had a longer disease-free survival (DFS; 190.1 vs. 100.2 months; P


According to our data, patients with UM can be classified into 3 groups, of which EIF1AX-mutated tumors and tumors without BAP1, SF3B1, or EIF1AX mutations are associated with prolonged survival and low metastatic risk, SF3B1-mutated tumors are associated with late metastasis, and tumors with an aberrant BAP1 are associated with an early metastatic risk and rapid decline in patient DFS.

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