HighlightsRare submucosal tumour of stomach.Incidence 1 in 100 gastrointestinal stromal tumour.Preoperative diagnosis is difficult.Immunohistochemistry gold standard tool for confirmation.Wedge resection is the treatment of choice.

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Toxoplasmosis has been recognized as a major public health problem worldwide. The consumption of uncooked/undercooked meat infected with Toxoplasma gondii (T. gondii) tissue cysts is one of the main sources for the transmission of this parasite. Although sheep, goats, and pigs are commonly infected with T. gondii, there is little information concerning the distribution of T. gondii tissue cysts in naturally infected meat. In this study, we investigated the distribution of viable T. gondii tissue cysts in shoulder muscles of naturally infected lambs and goats. Hearts and shoulders of 46 lambs and 39 goats (total 85 animals) from a local grocery store were tested for T. gondii infection. First, the animals were evaluated for the presence of anti- T. gondii antibodies in heart blood/clot by the modified agglutination test (MAT). A total of 14 out of the 85 animals (7/46 lambs and 7/39 goats) were seropositive. A total of 6 to 12 samples weighting 5g, 10g, and 50g were obtained from shoulder muscles of each seropositive animal and bioassayed in mice. The distribution of viable T. gondii varied according to the size of the sample analyzed, but in general larger sample sizes resulted in higher isolation rates (p < 0.05). Results of the study revealed uneven distribution of T. gondii in muscle samples of lambs and goats and that even small serving sizes (5 g and 10 g) of meat have the potential for the transmission of T. gondii if consumed raw or under-cooked.

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