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[Human dirofilariasis in Italy].

S Pampiglione1, G Canestri Trotti, F Rivasi

  • 1Cattedra di Parassitologia, Facoltà di Medicina Veterinaria, Università di Bologna, Italie.

Annales De Parasitologie Humaine Et Comparee
|January 1, 1991
PubMed
Summary

Human dirofilariasis, caused by Dirofilaria repens, is frequently misdiagnosed as tumors. This study highlights its underreporting, suggesting spontaneous recovery or undetected cases contribute to lower reported numbers.

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Area of Science:

  • Veterinary Parasitology
  • Human Infectious Diseases
  • Medical Zoology

Context:

  • Human dirofilariasis cases in Italy, particularly at the University of Bologna's Laboratory of Parasitology.
  • Dirofilaria repens, a nematode parasite common in dogs, identified as the primary etiological agent.
  • Observed cases often misdiagnosed as tumors or granulomas, complicating diagnosis.

Purpose:

  • To report and analyze human dirofilariasis cases observed in Italy.
  • To highlight diagnostic challenges and misinterpretations in human dirofilariasis.
  • To discuss the potential underestimation of human dirofilariasis prevalence.

Summary:

  • 30 human dirofilariasis cases were observed in Italy, with Dirofilaria repens identified in most.
  • Lesions were predominantly subcutaneous (23 cases), submucosal (4), or pulmonary (3).
  • Histological identification was crucial, as initial diagnoses were often mistaken for neoplasms or foreign-body reactions.

Impact:

  • Suggests human dirofilariasis may be more prevalent than currently reported in scientific literature.
  • Underscores the importance of considering parasitic infections in differential diagnoses for subcutaneous and pulmonary lesions.
  • Contributes to a better understanding of Dirofilaria repens epidemiology in human hosts.

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