Intravitreal Angiostrongyliasis : Report of 2 Casest

DIREK PAT IKULSILA, MD*, NIMITR ITTIPUNKUL, MD*, BONGKOT THEERAKITTIKUL, MD*

Affiliation : * Department of Ophthalmology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand. t Presented at the Annual Meeting of The Royal College of Ophthalmologists of Thailand, 28-29 November, 2002.

AbstractTwo male patients presented with unilateral blurred vision. A small motile worm was found in the vitreous cavity in both cases. In one case, another dead, disintegrated worm was nqted in the inferior portion of the vitreous cavity. On each eye, vitreous surgery was performed and the worm was removed by an aspirator. Both worms were identified as Angiostrongylus cantonensis. Since both patients had no signs of meningitis, lumbar puncture was not done. Long-term follow-up confirmed the benefit and safety of the vitreous surgery. Fluorescein angiography revealed severe pigmentary alteration, probably from inflammation of the choroid and retina due to subretinal migration of the worm prior to access into the vitreous cavity.

Keywords : Angiostrongylus, Vitrectomy

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