J Med Assoc Thai 2003; 86 (10):981

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Intravitreal Angiostrongyliasis : Report of 2 Cases
Patikulsila D Mail, lttipunkul N , B

Two 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.
Key word
: Angiostrongylus, Vitrectomy

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