Microbiology & infectious diseases


Dirofilaria repens

Last author update: 1 October 2018
Last staff update: 11 August 2022

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PubMed Search: Dirofilaria repens[TI] free full text[sb]

Nat Pernick, M.D.
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Cite this page: Pernick N. Dirofilaria repens. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/parasitologydirofilariarepens.html. Accessed April 14th, 2024.
Definition / general
Diagrams / tables

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Life cycle of D. repens

Gross description
Gross images

Contributed by Bobbi Pritt, M.D.

10 cm long D. repens removed from conjunctiva

Microscopic (histologic) description
Microscopic (histologic) images

Contributed by Bobbi Pritt, M.D.

470 μm in diameter

Dirofilaria has longitudinal cuticular ridges

Loa loa has irregularly spaced cuticular bosses

Contributed by Bone Moe Win, M.B.B.S.

"Third testes" in infant

Peripheral smear description
Peripheral smear images

Contributed by Bobbi Pritt, M.D.

Knott concentration performed on blood revealed 6 larvae per mm, each ~375 μm long by ~10 μm wide

D. repens versus L. loa

Differential diagnosis
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