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Canadian Journal of Infectious Diseases
Volume 7, Issue 1, Pages 67-69
Case Report

Subcutaneous Dirofilariasis in Nova Scotia

David JM Haldane,2 B Lynn Johnston,2 and Noreen MG Walsh1,3,4

1Department of Microbiology and Medicine, Victoria General Hospital, British Columbia, Canada
2Department of Medicine, Division of Infectious Diseases, Victoria General Hospital, British Columbia, Canada
3Department of Pathology, Division of Anatomic Pathology, Victoria General Hospital, British Columbia, Canada
4Dalhousie University, Halifax, Nova Scotia, Canada

Received 25 April 1995; Accepted 5 July 1995

Copyright © 1996 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A case of dirofilariasis in a 78-year-old woman from Nova Scotia is described along with the histological findings and the basis of identification of the parasite. The patient developed a subcutaneous nodule, which was excised. Dirofilaria ursi and ursi-like nematodes are a rare cause of subcutaneous nodules. This is the first time dirofilariasis has been diagnosed in an adult in Atlantic Canada.