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Human subcutaneous dirofilariasis of forearm an unusual presentation.

Yaranal PJ, Priyadarshini MM, Purushotham B - Indian J Dermatol (2015 Jan-Feb)

Bottom Line: In view, recent rise in human Dirofilaria repens infections in several regions of the world, is considered as emerging zoonotic infection transmitted to man by zooanthrophilic blood sucking insects.Most of the documented cases of human dirofilariasis recorded in India are ocular infections and very few cases of subcutaneous dirofilariasis have been reported.We hereby present a case of subcutaneous human dirofilariasis of forearm and also emphasize on increased awareness of this entity for clinicians and pathologists in the differential diagnosis of patients with subcutaneous nodules.

View Article: PubMed Central - PubMed

Affiliation: Department of Pathology, Kannur Medical College, Kannur, India.

ABSTRACT
Human subcutaneous dirofilariasis (HSD) is a rare zoonotic filarial infection caused by filarial worms of the genus Dirofilaria. In view, recent rise in human Dirofilaria repens infections in several regions of the world, is considered as emerging zoonotic infection transmitted to man by zooanthrophilic blood sucking insects. Most of the documented cases of human dirofilariasis recorded in India are ocular infections and very few cases of subcutaneous dirofilariasis have been reported. We hereby present a case of subcutaneous human dirofilariasis of forearm and also emphasize on increased awareness of this entity for clinicians and pathologists in the differential diagnosis of patients with subcutaneous nodules.

No MeSH data available.


Related in: MedlinePlus

Histopathology section showing dirofilaria repens with dense inflammatory reaction (hematoxylin and eosin (H and E), ×100)
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Figure 2: Histopathology section showing dirofilaria repens with dense inflammatory reaction (hematoxylin and eosin (H and E), ×100)

Mentions: Hematoxylin and eosin stained sections showed cross-sections of nematode, which is surrounded by an inflammatory granulation tissue composed of eosinophils, lymphocytes, and occasional foreign body giant cells [Figure 2]. An outer surface of the nematode shows cuticle showing fine transverse striations and prominent longitudinal ridges [Figure 3]; with these features the worm was identified as an adult, female D. repens.


Human subcutaneous dirofilariasis of forearm an unusual presentation.

Yaranal PJ, Priyadarshini MM, Purushotham B - Indian J Dermatol (2015 Jan-Feb)

Histopathology section showing dirofilaria repens with dense inflammatory reaction (hematoxylin and eosin (H and E), ×100)
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4318029&req=5

Figure 2: Histopathology section showing dirofilaria repens with dense inflammatory reaction (hematoxylin and eosin (H and E), ×100)
Mentions: Hematoxylin and eosin stained sections showed cross-sections of nematode, which is surrounded by an inflammatory granulation tissue composed of eosinophils, lymphocytes, and occasional foreign body giant cells [Figure 2]. An outer surface of the nematode shows cuticle showing fine transverse striations and prominent longitudinal ridges [Figure 3]; with these features the worm was identified as an adult, female D. repens.

Bottom Line: In view, recent rise in human Dirofilaria repens infections in several regions of the world, is considered as emerging zoonotic infection transmitted to man by zooanthrophilic blood sucking insects.Most of the documented cases of human dirofilariasis recorded in India are ocular infections and very few cases of subcutaneous dirofilariasis have been reported.We hereby present a case of subcutaneous human dirofilariasis of forearm and also emphasize on increased awareness of this entity for clinicians and pathologists in the differential diagnosis of patients with subcutaneous nodules.

View Article: PubMed Central - PubMed

Affiliation: Department of Pathology, Kannur Medical College, Kannur, India.

ABSTRACT
Human subcutaneous dirofilariasis (HSD) is a rare zoonotic filarial infection caused by filarial worms of the genus Dirofilaria. In view, recent rise in human Dirofilaria repens infections in several regions of the world, is considered as emerging zoonotic infection transmitted to man by zooanthrophilic blood sucking insects. Most of the documented cases of human dirofilariasis recorded in India are ocular infections and very few cases of subcutaneous dirofilariasis have been reported. We hereby present a case of subcutaneous human dirofilariasis of forearm and also emphasize on increased awareness of this entity for clinicians and pathologists in the differential diagnosis of patients with subcutaneous nodules.

No MeSH data available.


Related in: MedlinePlus