3241 Difficulties in diagnosing ocular melanoma

F Case 1 is a 20 year old woman, with known amblyopia o the left eye, who developped a massive intraocular hemorrhage leading to refractMy glaucoma, necessitating enucleation. Case 2 concerns a 68 year old woman also presenting a sevex intravitreal hem&age associated with a history of progressive visual loss over the past weeks. Repeated ultrasound examinations in case 1 showed a macular “staphyloma” with no solid mass visible, and in case 2 a large intraocular tumor. with .chomidal excavation; in this last case, color doppler ultmsooogmphy detected a superior temporal vascularized mass corresponding to a melanoma. Visual acuity was limited to light perception, and enucleation was performed after8 weeks. RemIt% Histopathological examination in case one revealed an xzed melanoma at the wsterior wle. and in case 2 a pseudotumoral age related rr&dar &gene&m. Concladon: Revelation of melanomas by intravitreal hemorrhage ~noton, but sure diagnosis is difficult to confirm even with color doppler ultrasonography, and repeated ultrasound examinations.