In a 5 year old friesian cow carcass multiple whitish- yellowish nodules were observed of caseous appearence and measuring between 2 and 10 mm in diameter. The lesions involved the myocardium, diaphragm and masseter muscles. The inspectors suspected of bovine cysticercosis and submitted samples for histopathological confirmation. Even though, macroscopically, these lesions were indeed compatible with typical Cysticercus bovis parasitic granulomas, microscopic observation showed that it consisted of severe multifocal embolic-metastatic myositis. That is, purulent-necrotizing lesions with presence of bacteria most likely originated in a non reported primary focus in another location, such as a bacterial valvular endocarditis or a suppurative lesion in some other point of the carcass. Sections of muscle tissue, fixed in formaldehyde, where the lesions can be observed.

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At the end of the post you can vote for the right diagnosis! On this occasion we ask the question the other way around, we present you images of the histopathological study of the muscle of a cattle slaughterhouse case. Do you know what pathology it is? Follow any responses to this post through RSS 2. You can leave a response or trackback from your own site.

What is your diagnosis? Please wait while the activity loads. If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled. If loading fails, click here to try again. You can see the structures that make up the scolex. It is a zoonosis: bovine cysticercosis. The animal presented these vesicles both at the heart and at the masseter muscles. Image of the muscle sample after formaline fixation.

Your answers are highlighted below. Question 1. Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results. You have completed. You have not finished your quiz. If you leave this page, your progress will be lost. Attempted Questions Correct. Related Posts What is your diagnosis?

No, peripheral nerve sheath tumors. Muscle Parasites Quizz. Comments 0. Peripheral nerve sheath tumor. Vascular hamartoma. Myocardial adenomatoid tumor. Bovine cysticercosis. Eosinophilic myositis.


What is your diagnosis? (68)

Selva Andina Res. ISSN The purpose this review gathers the available information for easy acces and identifies where further research is required. Bovine cysticercosis is a zoonosis of socioeconomic and public health importance. Economically important to the meat industry, for losses incurred from condemnation, downgrading and refrigeration of carcasses. Dietary habits and culinary practices affect transmission. The prevalence of bovine cysticercosis shows wide variation between countries, regions and slaughterhouses.


Whitish nodular lesions in the muscles of a cow


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