TY - JOUR T1 - Orbital Dirofilariasis: MR Findings JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 285 LP - 286 VL - 20 IS - 2 AU - Reinhard Groell AU - Gerhard Ranner AU - Martin M. Uggowitzer AU - Hannes Braun Y1 - 1999/02/01 UR - http://www.ajnr.org/content/20/2/285.abstract N2 - Summary: Dirofilariasis is a helminthic zoonosis occurring in many parts of the world. We report the findings in a 61-year-old woman who had painless right exophthalmos caused by orbital dirofilariasis. A vivid worm was embedded inside an inflammatory nodule in the right orbit. On T1-weighted MR images, the parasite was visible as a discrete, low-intensity, tubular signal in the center of the nodule surrounded by contrast-enhancing inflammatory tissue. ER -