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This abstract is assigned to session OBAO: Organisatie van Belgische Assistenten in Oftalmologie/Organisation Belge des Assistants en Ophtalmologie

Title	Melanocytic iris tumors: differential diagnosis and management
Abstract Nr.	205

Purpose	To present the differential diagnosis of pigmented iris tumours and their management.
Methods	A systematic review.
Results	The differential diagnosis of pigmented iris tumours consists of melanocytosis, naevus, atypical melanocytic tumour, melanocytoma, melanoma and some miscellaneous tumours. The diagnosis is classically made by non invasive techniques, including slit lamp examination and photos, measurement of intraocular pressure, visual fields, gonioscopy and ultrasonography (UBM and 20 MHz). Incisional biopsy has only a relative value.
Conclusion	In benign and atypical tumours, periodic observation is the standard management. Evidence of growth usually implies a malignant melanoma, for which protontherapy is a safe conservative treatment.

Author 1

Last name	SCHALENBOURG
Initials	AMP
Department	Jules-Gonin Eye Hospital
City	Lausanne