gastric nodule caused by spirocerca lupi in a red fox (vulpes vulpes) a. diakou 1, e. karamanavi 2,...
TRANSCRIPT
GASTRIC NODULE CAUSED BY SPIROCERCA LUPI
IN A RED FOX (VULPES VULPES)
A. Diakou1, E. Karamanavi2, E. Kaldrimidou2
1 Laboratory of Parasitology and Parasitic Diseases, 2 Clinic of Pathology, Faculty of Veterinary Medicine,
Aristotle University of Thessaloniki, Greece
Red Fox (Vulpes vulpes)
The largest species within the genus Vulpes, living in a wide
range of habitats
Solitary animals that do not form packs
Essentially omnivores, mostly eat rodents, eastern cottontail
rabbits, insects, fruit
They help to control populations of their prey animals
Case reportCase report
Adult red fox (Adult red fox (V. vulpesV. vulpes) for ) for post mortempost mortem examination examination
Nodule (2 x 3 cm) on the gastric wall (Nodule (2 x 3 cm) on the gastric wall (fundusfundus) )
Thick-walled cystic granuloma Thick-walled cystic granuloma
in the submucosa of the gastric wallin the submucosa of the gastric wall
Incision of the gastric nodule Incision of the gastric nodule revealingrevealing a number of nematodes a number of nematodes
(The cause of death of the fox was determined as poisoning)
NematodesNematodes
- Bright red, thick
- Males <4 cm , females <7.5 cm
- Mouth opening surrounded by six lobes
- Spirally coiled hind end of male
- Bursa with unequal spicules
- Vulva close to hind end of the oesophagus
- Uterus with characteristic eggs
Spirocerca lupiSpirocerca lupi
30-37 x 11-15 μm
Spirocerca lupiSpirocerca lupi
OrderOrder: Spirurida: Spirurida
FamilyFamily:: SpirocercidaeSpirocercidae
MaleMale: 3-5.4 cm : 3-5.4 cm FemaleFemale: 5.4-8 cm: 5.4-8 cm
CosmopolitanCosmopolitan
LLesionsesions: e: esophageal or gastric sophageal or gastric
ggranulomas, aortic scars and aneurysmsranulomas, aortic scars and aneurysms
Spirocerca lupi
Life cycle
Greece: S. lupi in 2-24% of the dogs
The first case of a gastric nodule caused by
S. lupi in a red fox in Greece
Epidemiological significance: cross infection
between wild and domesticated animals is
possible