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Ocular cysticercosis with intermittent blindness

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We report this peculiar case of ocular cysticercosis with intermittent blindness which is never reported to our knowledge. This case highlights use of Ultrasound for examination of the posterior segment of eye globe. In limited facilities Ultrasound is the main modality to reach the diagnosis. We also wish to enforce the point that in endemic regions and in young population primary cysticercosis and its complications must be kept in differentials of cystic mass or calcified mass, as in this case, we have seen both the stages of cysticercosis progression.
Cysticercosis is an infection with the larval (cysticercus) stage of Taenia spp. that it is seen as cysts in various human and animal tissues. In this study, pathologic findings of hepatic cysticercosis in a rook (Corvus frugilegus) is described. To our knowledge, there is no report on hepatic cysticercosis in rook and this study shows that rooks may play a role as intermediate hosts in the transmission of parasitic infections.
Prevalence of cysticercosis among cattle and pigs slaughtered in the Lublin province in the years 2009–2012 was evaluated. The study draws its data from annual reports of the Veterinary Inspectorate in Lublin. Cysticercus bovis was detected in 1038 animals (0.19%) out of 542,963 heads of cattle in the Lublin province, whereas Cysticercus cellulosae was found in 150 (0.0044%) out of 3 367,444 examined pigs.
Cysticercosis (CC) is a polymorphous disease, which makes its diagnosis difficult. This study had the objective of evaluating the clinical, epidemiological and laboratory criteria in human CC. An epidemiological questionnaire was applied, and indirect fluorescence antibody test (IFAT) and ELISA-IgG were utilized together with computerized tomography and/or magnetic resonance imaging on 90 patients with clinical signs suggestive of neurocysticercosis (NCC). Most patients had previously lived under deficient basic sanitary conditions. The imaging techniques showed that 92.2% of the cysticerci were in the cerebral parenchyma, 5.5% had a ventricular location, 1.1% were periventricular and 1% was ocular. The cysticerci were observed to be predominantly in the inactive phase. Seropositivity to the IFAT and/or ELISA was shown by 32.2% (29/90). Of the 29 seropositive patients, 72.4% presented cysticerci in the inactive form, and of the 61 seronegative patients, 78.7% also presented cysticerci in the inactive form. There was no correlation between active CC and seropositivity, since 72.4% of the seropositive patients presented calcified cysticerci. The results demonstrated that imaging techniques contributed significantly to elucidate the laboratorial diagnosis and to evaluate the stage of cysticercus development.
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Some terminology, based on tradition and still widely used in practice, is still scientifically incorrect.
A cross – sectional study of bovine, porcine and dog cysticercosis was carried out in Bukuru Plateau State Nigeria,in 2010 using Gyel Bukuru abattoir, Fwagul and Kuru trade centre slaughtering abattoir, as study areas. Two hundred and twenty-five samples were collected at random comprising of seventy-five samples each from cattle, dog and pig respectively, where twenty-five samples were taking for raw meat, cooked meat and feaces in relation to the sex of the animals examined. The overall prevalence rate of 28 (12.44 %) was recorded out of the total sample of 225. Raw meat records 10 (4.44 %), cooked meat record 7 (3.11 %) and feaces records 11 (4.98 %) infection rate. X2 analysis show no significant difference in the prevalence rate of cysticercus in meat and cyst in feaces of the examined animals (p > 0.05). There was no record of infection in cattle, both in beef and feaces in different sexes of the cattle examined, sex specific incidence rate obtained in both studies did not differ significantly (p > 0.05). The female animal studied had the highest infection rate of 17 (60.71 %).There was significant difference in tapeworms encountered with the meat and feaces examined (p < 0.05) Taenia solium had the highest infection rate of 14 (6.22 %), Dipylidium caninum had 12 (5.33 %) with the least infestatioin recorded in T. hydatigena 2 (0.89 %). Hence no record of T. saginata infection was encountered in the present study. However mixed infection was recorded in Dog with T. hydatigena & D. caninum.
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