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Intravitreal angiostrongyliasis.

A Singalavanija, S Wangspa, S Teschareon

Australian and New Zealand Journal of Ophthalmology

|November 1, 1986

Summary

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A rare case of intravitreal angiostrongyliasis occurred in a Thai woman after consuming raw snails. The intraocular worm was successfully removed using specialized surgical instruments.

Area of Science:

Ophthalmology
Parasitology
Infectious Diseases

Background:

Angiostrongyliasis is a parasitic infection typically affecting the central nervous system.
Ocular involvement, specifically intravitreal infection, is an extremely rare manifestation.

Observation:

A case of intravitreal angiostrongyliasis was diagnosed in a Thai female patient.
The patient reported a history of consuming raw snails, a known risk factor for Angiostrongylus infection.

Findings:

A live worm was identified within the vitreous cavity of the affected eye.
The intraocular worm was successfully immobilized using an intravitreal cryoprobe.
Surgical removal of the worm was achieved through the pars plana using vitreous foreign body forceps.

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Implications:

This case highlights the importance of considering parasitic infections in ophthalmology, even with unusual presentations.
Prompt diagnosis and surgical intervention are crucial for preserving vision in cases of intravitreal parasites.
Public health awareness regarding the risks of consuming raw intermediate hosts for parasites like Angiostrongylus is essential.