ULTRASONOGRAPHIC FEATURES OF PERITONEAL CESTODIASIS CAUSED BY<i>MESOCESTOIDES</i>SP. IN A DOG AND IN A CAT

Venco, Luigi; Kramer, Laura; Pagliaro, Luigi; Genchi, C.

doi:10.1111/j.1740-8261.2005.00076.x

Cited by 35 publications

(26 citation statements)

References 11 publications

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“…It is likely that Mesocestoides is widespread among A. sylvaticus throughout the Iberian Peninsula, but tetrathyridia were not found in a recent detailed survey of this host in the Coimbra District of Portugal (Eira et al 2006). Further surveys in this and other Mediterranean regions should pay special attention to determining the presence of this parasite, with particular attention to its occurrence in asexual forms, especially considering the recent occurrence of clinical cases of proliferative tetrathyridiosis in dogs and cats in Italy (Bonfanti et al 2004;Venco et al 2005;Eleni et al 2007). …”

Section: Discussionmentioning

confidence: 88%

Interactions between anomalous excretory and tegumental epithelia in aberrant Mesocestoides tetrathyridia from Apodemus sylvaticus in Spain

2010

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Tetrathyridia of Mesocestoides sp. (Platyhelminthes: Cestoda) were collected from the body cavities of Apodemus sylvaticus (Rodentia: Muridae) in Murcia, Spain, and processed by routine microscopical and histological techniques, including examination with brightfield, phase-contrast, and differential-interference-contrast optics. All specimens examined had solid hindbodies (i.e., lacked a primary lacuna), thus conforming to the plerocercoid metacestode type. The vast majority of tetrathyridia were highly aberrant, often lacking a scolex, varying greatly in body size, and exhibiting buds or duplexed body forms indicative of asexual proliferation. All of the aberrant forms, including those with normal scoleces and apparent absence of proliferation, possessed anomalous multi-lobed invaginations of the hindbody tegument, which were attached at many points to abnormally dilated excretory ducts. The tegumental and excretory epithelia were joined basally, but did not share a common lumen. These abnormal connections between these aberrant tegumental modifications and the abnormally dilated excretory ducts have not been described previously for any metacestode. This report contributes to understanding previously published reports of abnormalities in other plerocercoid metacestodes, including Mesocestoides spp. and diphyllobothriidean spargana.

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Section: Discussionmentioning

confidence: 88%

Interactions between anomalous excretory and tegumental epithelia in aberrant Mesocestoides tetrathyridia from Apodemus sylvaticus in Spain

2010

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“…While infections by adult Mesocestoides sp. in cats are quite common in Europe, feline metacestodiasis is a rather uncommon finding, and it is usually casually reported at necropsy or during surgical operations (Paoluzzi, 1947;Canestri Trotti & Tumino, 1991;Quintavalla et al, 1996;Venco et al, 2005). We hereby report a case of peritoneal infection by Mesocestoides sp.…”

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confidence: 76%

Proliferative peritoneal and pleural cestodiasis in a cat caused by metacestodes ofMesocestoidessp. anatomohistopathological findings and genetic identification

et al. 2007

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Summary :A 10-year-old female cat was brought to Istituto Zooprofilattico Sperimentale delle Regioni Lazio e Toscana for post-mortem examination. The animal used to live, together with 26 other cats, in the big terrace of an apartment at the 8 th floor in Rome, and was always fed with industrial pet food. Anamnesis referred balance troubles, vomit and convulsions, during a couple of days, followed by sudden death. At necropsy, the cat presented mucoid rhinitis, purulent tracheitis, small areas of pneumonia, dark spots in the liver, catarrhal-hemorrhagic gastritis, fibrinous enteritis and meningeal hyperemia. Thoracic and abdominal cavities were completely invaded by hundreds of larval stages of cestodes. The same parasites were also included in nodules in pancreatic, lung and kidney parenchyma. Microscopic examination of parasites allowed their identification as larval stages (metacestodes) of cestodes of the genus Mesocestoides. The molecular genotyping of the metacestodes indicates a close relationship with members of the genus Mesocestoides, although a significant variation was found with respect to the available sequences of other species of the genus. Résumé : CESTODOSE PROLOFÉRANTE PLEURALE ET PÉRITONÉALE CHEZ UN CHAT, CAUSÉE PAR DES MÉTACESTODES (MESOCESTOIDES SP.). OBSERVATIONS ANATOMOHISTOPATHOLOGIQUES ET IDENTIFICATION GÉNÉTIQUE

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“…Mesocestoides tapeworms have an incompletely understood life cycle that is thought to require 2 intermediate hosts and one definitive host . Adult Mesocestoides tapeworms can inhabit the intestine of wild and domestic carnivores including dogs, coyotes, foxes, skunks, and cats, as well as people . Intestinal infections with adult Mesocestoides tapeworms are usually nonpathogenic and asymptomatic, with the exception of fecal elimination of egg‐filled proglottids produced by the adult tapeworms .…”

Section: Discussionmentioning

confidence: 99%

Cestode infection in 2 dogs: cytologic findings in liver and a mesenteric lymph node

Patten¹,

Rich²,

Zaks³

et al. 2012

Veterinary Clinical Pathol

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Mesocestoides cestode infections in dogs are well known for causing severe peritonitis with larvae or larval fragments (metacestodes, tetrathyridia, or calcareous corpuscles) frequently observed cytologically in peritoneal fluid samples. This case report describes the cytologic and clinical features of 2 dogs infected with cestode larvae, with one case confirmed and the other presumed to be Mesocestoides sp. In these 2 unusual cases, cestode larvae or larval fragments were found in fine-needle aspirates of the liver and a mesenteric lymph node, but no organisms were found in peritoneal fluid samples. The data presented in this report indicate that clinical pathologists should not rule out Mesocestoides sp cestodiasis based on the absence of larvae in peritoneal fluid samples from dogs.

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ULTRASONOGRAPHIC FEATURES OF PERITONEAL CESTODIASIS CAUSED BYMESOCESTOIDESSP. IN A DOG AND IN A CAT

Cited by 35 publications

References 11 publications

Interactions between anomalous excretory and tegumental epithelia in aberrant Mesocestoides tetrathyridia from Apodemus sylvaticus in Spain

Interactions between anomalous excretory and tegumental epithelia in aberrant Mesocestoides tetrathyridia from Apodemus sylvaticus in Spain

Proliferative peritoneal and pleural cestodiasis in a cat caused by metacestodes ofMesocestoidessp. anatomohistopathological findings and genetic identification

Cestode infection in 2 dogs: cytologic findings in liver and a mesenteric lymph node

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