An uncommon case with intravitreal worm

Gungel, Hamdi; Kara, Necip; Pınarcı, Eylem Yaman; Albayrak, Sinan; Baylancicek, Deniz Oygar; Uysal, Hayriye Kırkoyun

doi:10.1136/bjo.2008.138842

Cited by 14 publications

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“…A small number of them were successfully removed and identified based on morphology. A case of intravitreal dirofilariasis was recently reported from Turkey [78] and a case of human intraocular dirofilariasis has been reported from northern Brazil (See additional file 2: Movie2 Surgical removal of Dirofilaria immitis like nematode) [65]. The nematode from Brazil was morphologically and phylogenetically close to D. immitis but genetically distinct from reference sequences, including those of D. immitis collected from infected dogs in the same area.…”

Section: The Most Commonly Reported Hiementioning

confidence: 99%

Zoonotic helminths affecting the human eye

2011

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Nowaday, zoonoses are an important cause of human parasitic diseases worldwide and a major threat to the socio-economic development, mainly in developing countries. Importantly, zoonotic helminths that affect human eyes (HIE) may cause blindness with severe socio-economic consequences to human communities. These infections include nematodes, cestodes and trematodes, which may be transmitted by vectors (dirofilariasis, onchocerciasis, thelaziasis), food consumption (sparganosis, trichinellosis) and those acquired indirectly from the environment (ascariasis, echinococcosis, fascioliasis). Adult and/or larval stages of HIE may localize into human ocular tissues externally (i.e., lachrymal glands, eyelids, conjunctival sacs) or into the ocular globe (i.e., intravitreous retina, anterior and or posterior chamber) causing symptoms due to the parasitic localization in the eyes or to the immune reaction they elicit in the host. Unfortunately, data on HIE are scant and mostly limited to case reports from different countries. The biology and epidemiology of the most frequently reported HIE are discussed as well as clinical description of the diseases, diagnostic considerations and video clips on their presentation and surgical treatment.Homines amplius oculis, quam auribus creduntSeneca Ep 6,5Men believe their eyes more than their ears

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Section: The Most Commonly Reported Hiementioning

confidence: 99%

Zoonotic helminths affecting the human eye

2011

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“…In these cases, the worm is usually well localized. A few cases of intravitreal dirofilariasis have also been reported in the literature 12. One intraocular case of infection with Dilofilaria repens has been reported from Russia13 and another with Dilofialria immitis from Brazil 14.…”

Section: Discussionmentioning

confidence: 96%

Dirofilaria in the anterior chamber: A rare occurrence

Chopra

Bhatti

Mohan

et al. 2012

Middle East Afr J Ophthalmol

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Dirofilariasis is a parasitic infection of the carvivores that may present as a zoonotic infestation in humans. Systemic involvement in man is subcutaneous, pulmonary, or ocular. We report a rare occurrence of ocular dirofilariasis in a 25-year-old male patient who presented with pain and redness in the eye. A live, white, coiled, and highly motile worm was present in the anterior chamber. The worm, however, could not be detected in the anterior chamber, posterior segment, or the angle of the anterior chamber when the patient was taken to the operating room for surgical removal of the worm. The patient was made to lie prone till the worm reappeared in the anterior chamber and was removed by paracentesis. The worm was identified as Dirofilaria repens on the basis of microscopic and histopathological examination.

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“…After a thorough search on Pubmed, we found only five reports where the dirofilaria worm was extracted live from the vitreous cavity. [13456] Posterior segment inflammation in the form of multifocal choroiditis and inflammatory mass over optic disc due to worm in anterior chamber has also been reported. [78] We hereby report the first case of intravitreal D. repens from the Indian subcontinent.…”

Section: Discussionmentioning

confidence: 99%

Rare cause of floaters: A motile live worm in vitreous cavity

Rajan

Jena

et al. 2019

Indian J Ophthalmol

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Ocular filariasis commonly presents as subconjunctival or eyelid nodules. We report a rare case of a live, motile worm causing floaters. The worm was isolated from the vitreous cavity and revealed to be Dirofilaria repens . Correct recognition of the worm is necessary as human dirofilariasis does not present as microfilaremia and does not require systemic therapy; in contrast to other causes of ocular filariasis, which require systemic therapy. As ophthalmologist may be the first physician to encounter such patients, a high index of suspicion is required for timely and adequate management.

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An uncommon case with intravitreal worm

Cited by 14 publications

References 0 publications

Zoonotic helminths affecting the human eye

Zoonotic helminths affecting the human eye

Dirofilaria in the anterior chamber: A rare occurrence

Rare cause of floaters: A motile live worm in vitreous cavity

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