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Human Dirofilariasis- An Underrecognized Zoonosis.

Vindhya Savithri¹, Rakesh Suresh², Mahija Janardhanan²

¹Department of Oral & Maxillofacial Pathology and Microbiology, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham AIMS Campus AIMS Ponekkara PO, Kochi, 682041, Kerala, India. vinna7@gmail.com.

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Summary

Dirofilariasis, a rare zoonotic disease, is increasingly reported globally. This case highlights Dirofilaria repens causing a facial swelling, diagnosed via biopsy.

Keywords:

Dirofilaria repens Dirofilariasis Eosinophils Granuloma Parasitic infection

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Published on: December 14, 2013

Area of Science:

Veterinary Medicine
Parasitology
Human Pathology

Background:

Dirofilariasis is a rare zoonotic parasitic infection.
Climate change is expanding its geographic range.
Domestic animals, particularly dogs, are natural hosts.

Purpose of the Study:

To report a rare case of human dirofilariasis.
To describe the clinical presentation and diagnosis of Dirofilaria repens infection in the oral cavity.

Main Methods:

A case study of a 60-year-old female patient with facial swelling.
Exclusion of odontogenic infection.
Excisional biopsy and histopathological examination.

Main Results:

Microscopic examination revealed adult Dirofilaria repens worm.
An eosinophil-rich granulomatous reaction was observed.

Conclusions:

Dirofilariasis should be considered in the differential diagnosis of unexplained facial swellings.
Accurate diagnosis relies on histopathological identification of the parasite.