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This abstract is assigned to session AOB FP

Title

First year Experience with Ruthenium Brachytherapy in ocular melanoma @ UZLeuven.

Purpose	To evaluate the procedure and technique for ruthenium brachytherapy in ocular melanoma patients after the introduction in a tertiary care centre in February 2018.
Methods	Retrospective analysis of our database and review of the detailed literature on ruthenium brachytherapy in ocular melanoma. Our department has tree ruthenium plaques (CCA, CCB and COB) that can be applied for different tumour sizes.
Results	Between February and September 2018, 20 patients were treated with ruthenium brachytherapy: 4 conjunctival melanomas, 1 iris melanoma and 15 uveal melanomas. Application time differs from 6.8 to 226.1 hours, for a top dose of 100 Gy. In one patient a temporary vitreous haemorrhage occurred after the application (juxtapapillary tumour). In 2 patients a diplopia was found up to 1 month after the application. Taking into account the limited follow-up, no recurrences occurred.
Conclusion	Ruthenium brachytherapy is a good and safe procedure for the treatment of ocular melanoma.
Conflict of interest	No

Authors 1

Last name	MISSOTTEN
Initials	GS
Department	Dept Ophthalmology, Catholic University Hospitals Leuven
City	Leuven

Authors 2

Last name	Van Ginderdeuren
Initials	R
Department	Dept Ophthalmology and Anatomopathology, Catholic University Hospitals Leuven
City	Leuven

Authors 3

Last name	Van Limbergen
Initials	E
Department	Dept Radiotherapy, Catholic University Hospitals Leuven
City	Leuven

Authors 4

Last name	Van Calster
Initials	J
Department	Dept Ophthalmology, Catholic University Hospitals Leuven
City	Leuven