Journal of Veterinary Medical Science
Online ISSN : 1347-7439
Print ISSN : 0916-7250
ISSN-L : 0916-7250
Lungworm, Filaroides osleri, Infection in a Dog in Japan
Takao KOTANIMakio HORIEShinobu YAMAGUCHIYasuhiro TSUKAMOTOTakafumi ONISHIFumihito OHASHISadashige SAKUMA
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JOURNAL FREE ACCESS

1995 Volume 57 Issue 3 Pages 573-576

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Abstract

A 7-month-old male Pomeranian had severe dyspnea for 2 weeks. The lateral bronchogram showed a stenosis of the trachea. Inspite of supportive therapy including supplemental oxygen, the dog died 5 days later. Six pedunculated nodules were recognized in the mucosal surface of the trachea at necropsy. The tracheal nodules were histopathologically granuloma characterized by many coiled parasites containing a little collagen fibers, lymphocytes, plasma cells and macrophages. Female parasites had a lot of embryonated eggs in the uterus. Immature worms were observed in the dilated lymph vessels of bronchial and bronchiolar wall in the lungs. The worms were identified as Filaroides osleri based on the parasitological examinations.

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© The Japanese Society of Veterinary Science
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