Peer-reviewed veterinary case report
Horse with lameness due to Micronema deletrix infection
By Simpson, R M et al.·Published in Journal of comparative pathology·1988·Department of Veterinary Pathology·View original on PubMed →
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Original publication title: Micronema deletrix-induced granulomatous osteoarthritis in a lame horse.
- Species:
- horse
Plain-English summary
A 16-year-old thoroughbred gelding horse had been limping for a long time, and a thorough examination after he passed away showed he had a serious infection caused by a type of worm called Micronema deletrix. This infection led to inflammation in his bones and joints, which is known as granulomatous osteomyelitis and polyarthritis. The infection was confirmed by looking at the worm's unique features under a microscope, and it was found in several parts of his body, including his bones, kidneys, stomach, lungs, adrenal glands, and lymph nodes. However, there were no signs of other common issues related to this type of infection in his brain or head. Unfortunately, the treatment details and outcome are not provided, but the findings indicate a severe and widespread infection.
Abstract
Necropsy of a chronically lame 16-year-old thoroughbred gelding revealed granulomatous osteomyelitis and polyarthritis due to a widely disseminated infection by Micronema deletrix. Diagnosis was based upon the nematode's morphology with its characteristic rhabditiform oesophagus. Granulomata, often containing one or more centrally located M. deletrix, were observed histologically in sections prepared from femur, kidney, stomach, lung, adrenal gland and sublumbar lymph nodes. Neither verminous meningo-encephalitis nor cephalic granulomata, which are the more commonly described lesions, was found.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/3204170/