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Multiple live subconjunctival dipetalonema: report of a case.

John M, Mathew SM, Sebastian V, Biswas J, Raman M - Indian J Ophthalmol (2012 May-Jun)

Bottom Line: Parasitic infestations of the eye have been reported since centuries, affecting various parts of the eye.Some are subtle, coexisting with vision, while many others damage and destroy, in part or totally, the gift of sight.This report describes a patient with live subconjunctival dipetalonema infestation of the right eye, with 22 parasites removed live in one sitting from one eye.

View Article: PubMed Central - PubMed

Affiliation: Department of Ophthalmology, Devamatha Hospital, Koothatukulam, Ernakulam District, Kerala, India.

ABSTRACT
Parasitic infestations of the eye have been reported since centuries, affecting various parts of the eye. Some are subtle, coexisting with vision, while many others damage and destroy, in part or totally, the gift of sight. This report describes a patient with live subconjunctival dipetalonema infestation of the right eye, with 22 parasites removed live in one sitting from one eye.

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Nematode with filariform body (100 × magnification)
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Figure 2: Nematode with filariform body (100 × magnification)

Mentions: A 74-year-old male resident, of Koothatukulam, in Ernakulam district (Kerala), presented to the Devamatha Hospital with a history of severe irritation in the right eye since a week. The irritation gradually increased over a few days to intolerable levels, which eventually brought him to us. Clinical examination [Fig. 1] revealed localized conjunctival chemosis, erythema, pain, no discharge, a clear cornea, and an s-shaped swelling with minimal movement over the superior temporal conjunctiva. Otherwise, both eyes were clinically normal. There was no history of fever or other illness in the recent past. A complete blood count, fasting blood sugar, and SGPT were in the normal range with an ESR of 36 mm/hour. The patient was started empirically on tablet diethyl carbamazine 300 mg at night with an antihistamine tablet chlorpheniramine maleate 4 mg for 21 days, and tablet albendazole 400 mg immediately. In addition, topical gatifloxacin 0.3% four times daily, preoperatively, for asepsis and 1% prednisolone acetate Q1H to minimize severe chemosis in response to the parasite were added. The conjunctiva over the swelling was carefully incised after topical anesthesia and the parasites were surgically removed and sent for identification. Twenty-two worms were removed intact, thread like and measuring from 2 cm to the longest being 7 cm in length. The specimen was examined by parasitologists at the Madras Veterinary College, Madras, and provisionally identified as the genus Dipetalonema, a filarial nematode transmitted by mosquitoes. The worm was identified as a sub-adult female Dipetalonema, based on the following features: nematode was with a filariform body [Fig. 2] and the tip of the tail had three laterally disposed processes, creating an impression that it was trilobed [Fig. 3].


Multiple live subconjunctival dipetalonema: report of a case.

John M, Mathew SM, Sebastian V, Biswas J, Raman M - Indian J Ophthalmol (2012 May-Jun)

Nematode with filariform body (100 × magnification)
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3361824&req=5

Figure 2: Nematode with filariform body (100 × magnification)
Mentions: A 74-year-old male resident, of Koothatukulam, in Ernakulam district (Kerala), presented to the Devamatha Hospital with a history of severe irritation in the right eye since a week. The irritation gradually increased over a few days to intolerable levels, which eventually brought him to us. Clinical examination [Fig. 1] revealed localized conjunctival chemosis, erythema, pain, no discharge, a clear cornea, and an s-shaped swelling with minimal movement over the superior temporal conjunctiva. Otherwise, both eyes were clinically normal. There was no history of fever or other illness in the recent past. A complete blood count, fasting blood sugar, and SGPT were in the normal range with an ESR of 36 mm/hour. The patient was started empirically on tablet diethyl carbamazine 300 mg at night with an antihistamine tablet chlorpheniramine maleate 4 mg for 21 days, and tablet albendazole 400 mg immediately. In addition, topical gatifloxacin 0.3% four times daily, preoperatively, for asepsis and 1% prednisolone acetate Q1H to minimize severe chemosis in response to the parasite were added. The conjunctiva over the swelling was carefully incised after topical anesthesia and the parasites were surgically removed and sent for identification. Twenty-two worms were removed intact, thread like and measuring from 2 cm to the longest being 7 cm in length. The specimen was examined by parasitologists at the Madras Veterinary College, Madras, and provisionally identified as the genus Dipetalonema, a filarial nematode transmitted by mosquitoes. The worm was identified as a sub-adult female Dipetalonema, based on the following features: nematode was with a filariform body [Fig. 2] and the tip of the tail had three laterally disposed processes, creating an impression that it was trilobed [Fig. 3].

Bottom Line: Parasitic infestations of the eye have been reported since centuries, affecting various parts of the eye.Some are subtle, coexisting with vision, while many others damage and destroy, in part or totally, the gift of sight.This report describes a patient with live subconjunctival dipetalonema infestation of the right eye, with 22 parasites removed live in one sitting from one eye.

View Article: PubMed Central - PubMed

Affiliation: Department of Ophthalmology, Devamatha Hospital, Koothatukulam, Ernakulam District, Kerala, India.

ABSTRACT
Parasitic infestations of the eye have been reported since centuries, affecting various parts of the eye. Some are subtle, coexisting with vision, while many others damage and destroy, in part or totally, the gift of sight. This report describes a patient with live subconjunctival dipetalonema infestation of the right eye, with 22 parasites removed live in one sitting from one eye.

Show MeSH
Related in: MedlinePlus