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Related Experiment Videos

Orbital dirofilariasis: MR findings.

R Groell1, G Ranner, M M Uggowitzer

  • 1Department of Radiology, University Hospital Graz, Austria.

AJNR. American Journal of Neuroradiology
|March 27, 1999
PubMed
Summary

Orbital dirofilariasis, a parasitic eye infection, occurred in a 61-year-old woman. A live worm was found within an inflammatory nodule, causing painless exophthalmos.

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Area of Science:

  • Ophthalmology
  • Parasitology
  • Medical Imaging

Background:

  • Dirofilariasis is a zoonotic parasitic disease caused by filarial worms.
  • Orbital involvement is rare but can occur in humans.

Observation:

  • A 61-year-old woman presented with painless right exophthalmos.
  • A live worm was identified within an inflammatory nodule in the right orbit.

Findings:

  • Magnetic resonance imaging (MRI) revealed a tubular, low-intensity signal consistent with the parasite.
  • The parasite was surrounded by contrast-enhancing inflammatory tissue on T1-weighted images.

Implications:

  • This case highlights the importance of considering parasitic infections in orbital diseases.
  • Accurate diagnosis through imaging and parasite identification is crucial for appropriate management of orbital dirofilariasis.

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