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Journal of Oncology
Volume 2013, Article ID 349162, 7 pages
Clinical Study

The Use of Strontium-90 Beta Radiotherapy as Adjuvant Treatment for Conjunctival Melanoma

1Ocular Oncology Service, St Bartholomew’s Hospital and Moorfields Eye Hospital, West Smithfield, London EC1A 7BE, UK
2Radiotherapy Department, St Bartholomew’s Hospital, London EC1A 7BE, UK

Received 8 August 2012; Accepted 10 December 2012

Academic Editor: Akira Hara

Copyright © 2013 Victoria M. L. Cohen et al. This 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.


Background/Aims. To report the safety and efficacy of strontium (Sr90) beta radiotherapy as adjuvant treatment for conjunctival melanoma. Methods. A retrospective cohort study was undertaken from 1999 to 2007 of all patients who underwent Sr90 beta radiotherapy for incompletely excised conjunctival melanoma. Failure of treatment was defined as recurrence of a conjunctival melanoma at the same location following beta radiotherapy. Results. Twenty patients underwent Sr90 beta radiotherapy for incompletely excised conjunctival melanoma. Median follow-up interval was 59 months (8–152). All patients had conjunctival melanoma involving the bulbar conjunctiva. Underlying diagnoses included PAM with atypia in 60% (12 of 20), PAM without atypia in 15% (3 of 20), and de novo conjunctival melanoma in 25% (5 of 20). Following Sr90 beta radiotherapy, in 90% (18 out of 20) local control was achieved and visual acuity was not affected in any patient. Three patients (15%) had dry eye symptoms, episcleritis, and descemetcoele, respectively. No cataract or secondary glaucoma was reported. Conclusions. Sr90 treatment is a very effective adjuvant treatment after excisional biopsy and cryotherapy for conjunctival melanoma with a local success rate of 90%. The treatment is not associated with significant side effects and visual acuity is not affected.