<i>Echinococcus Granulosus</i> Hydatid Cysts in the Livers of Two Horses

Rezabek, Grant B.; Giles, R. C.; Lyons, E. T.

doi:10.1177/104063879300500131

Cited by 14 publications

(11 citation statements)

References 14 publications

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“…The hydatid cysts commonly develop in the liver, lungs, or both. 2,3,7,18 Other reported localizations include the cranium, brain, pericardium, pleura, spleen, kidneys, muscle, uterus, and ocular structures. 1,18,23 The cysts have a reported longevity of several (at least 16) years 21 and rarely cause severe clinical symptoms.…”

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confidence: 99%

Cystic Echinococcosis Due to Echinococcus Equinus in a Horse from Southern Germany

Blutke

Hamel²,

Hüttner³

et al. 2010

J VET Diagn Invest

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In Europe, cystic echinococcosis is rare in horses and is mostly diagnosed at slaughter or postmortem examination. Equine cystic echinococcosis can be caused by various Echinococcus taxa, but only Echinococcus equinus (the "horse strain") is known to produce fertile cysts. In Europe, E. equinus appears to be endemic in Great Britain, Ireland, Spain, and Italy and has sporadically been reported in Belgium and Switzerland. The present report describes the first case of a molecularly confirmed E. equinus infection in a horse foaled and raised in Germany. The 19-year-old mare was presented for examination of inappetence, emaciation, and respiratory symptoms. X-ray radiographs of the thorax showed 2 well-circumscribed tumor-like masses, each approximately 10 cm in diameter in the caudal lung field. The horse was euthanized as its condition rapidly deteriorated. Necropsy revealed 2 thick-walled hydatid cysts, each 7-8 cm in diameter in the lung. The tri-layered cyst walls consisted of an outer adventitial layer, a laminated acellular intermediate layer, and an inner germinal membrane. Grossly, the cysts contained a clear, amber liquid with hydatid sand. Light microscopy of the hydatid sand revealed free protoscoleces, intact and ruptured brood capsules, calcareous corpuscles, and debris. Samples of protoscoleces underwent molecular characterization, and the diagnosis of E. equinus was confirmed by restriction fragment length polymorphism-polymerase chain reaction and sequence analysis of the complete mitochondrial nicotinamide adenine dinucleotide dehydrogenase subunit 1 gene.

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confidence: 99%

Cystic Echinococcosis Due to Echinococcus Equinus in a Horse from Southern Germany

Blutke

Hamel²,

Hüttner³

et al. 2010

J VET Diagn Invest

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“…Es kann davon ausgegangen werden, dass die E. equinus-Infektion keine klinische Relevanz für das Pferd hatte, wie auch schon von anderen Autoren beschrieben (Blutke et al 2010, Rezabek et al 1993. Allerdings ist die Kenntnis über den Parasiten und die Lokalisation seiner Finnen für den Kliniker vor allem im Rahmen der Ultraschalldiagnostik von Lunge und Leber durchaus wichtig.…”

Section: Diskussionunclassified

“…In diesen reift die nächste Generation von Bandwürmern durch Bildung von Kopfanlagen (Protoskolizes) heran. Eine Besonderheit bei der Infektion von Pferden im Gegensatz zu fast allen anderen Tierarten ist, dass noch nie eine Funktionsbeeinträchtigung des betroffenen Organs durch das Wachstum der Zysten beschrieben wurde (Blutke et al 2010, Rezabek et al 1993. Abhängig von Umweltbedingungen wie der Umgebungstemperatur bleiben Protoskolizes nach dem Tod /der Schlachtung des Zwischenwirtes in intakter Hydatidenzyste bis zu 2 Wochen postmortem infektiös (Blutke et al 2010).…”

Section: Introductionunclassified

Echinococcus equinus: First Case in Northern Germany

Merz¹,

Pischon²,

Krücken³

et al. 2017

PHK

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“…The developing m etacestodes are fluid-filled hydatid cysts, in which protoscolece are produced as the next generation of tapeworms (Jenkins et al 2005;Rausch 1995). Hydatidosis in horses is generally a rare finding, mostly incidentally diagnosed at postmortem examination (Binhazim et al 1992;Chiou et al 2001;Edwards 1981;Rezabek et al 1993) Cases of equine hydatidosis have been reported from Europe (Eckert and Thompson 1988;Romig et al 2006;Saarma et al 2009) the Middle East, South and East Africa (Jenkins et al 2005;Thompson and Mc Manus 2002), North America (Hoberg et al 1994) and Southeast Asia (Chiou et al 2001).…”

Section: Introductionmentioning

confidence: 99%

First serological study of equine hydatidosis in Iran

et al. 2016

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Hydatidosis, is an important worldwide zoonotic disease caused by larval stages (metacestodes) of tapeworm parasites of the genus Echinococcus. The objective of the present study was to determine the seroprevalence of equine hydatidosis in Iran by latex agglutination test. This study also served to correlate sex and age with mentioned results in cases. Therefore, 193 serum samples were collected from clinically healthy horses at 9 race clubs in Kerman, Yazd and Golestan provinces, Iran. According to the results, antibodies against hydatidosis were detected in 6 sera (3.11 %) among 193 samples. Results showed two male and four female horses were sero-positive against hydatidosis. In conclusion, present study shows that antibodies against hydatidosis have been detected in Iran equine population. Therefore, it seems that Iranian horse clubs should improve their management and health levels to increase their proficiencies.

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Echinococcus Granulosus Hydatid Cysts in the Livers of Two Horses

Cited by 14 publications

References 14 publications

Cystic Echinococcosis Due to Echinococcus Equinus in a Horse from Southern Germany

Cystic Echinococcosis Due to Echinococcus Equinus in a Horse from Southern Germany

Echinococcus equinus: First Case in Northern Germany

First serological study of equine hydatidosis in Iran

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