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Biomedical subjects

T Rowe

Publications and source records attributed to T Rowe.

57 records · Page 4Linked to original sources

Massive intracranial immature teratoma with extracranial extension into oral cavity, nose, and neck.

We present a case of congenital massive intracranial teratoma with extracranial extension into oral cavity, nose, and neck diagnosed by antenatal ultrasonography at 25 weeks of gestation. The fetus was delivered by cesarean section because of massive fetal head size and severe maternal pregnancy-induced hypertension. At necropsy the tumor was found to be an immature teratoma, with no recognizable normal brain tissue. An additional finding was hepatomegaly secondary to extensive extramedullary hematopoiesis. Karyotyping of both the fetus and the teratoma revealed a normal female chromosomal composition: 46,XX.

Adolescent↗

Prevalence of Salmonella serotypes on pig carcasses from high- and low-risk herds slaughtered in three abattoirs.

The aim of this study was to compare the prevalence of Salmonella serotypes at two different sites on pig carcasses from herds classified as high-risk or low-risk and to elucidate the relationship between carcass contamination levels and serological status. Caecal samples and carcass surface swabs were cultured for Salmonella from a total of 210 pigs from low risk herds (< 19% of pigs in herd Salmonella seropositive) and 209 pigs from high risk herds (> 32% of pigs in herd Salmonella seropositive) in three abattoirs. Meat juice samples were collected for analysis by ELISA. The prevalence of Salmonella in the caecal contents of "low-risk" pigs was 10%, which was significantly lower than the 19% prevalence in "high-risk" pigs (p < 0.01). The corresponding figures for skin samples collected immediately post-evisceration were 2% and 12%. The predominant Salmonella serotype in the caecal contents of both the low-risk and high-risk pigs was Salmonella Typhimurium. Salmonella Kentucky and Salmonella Derby were the most frequent isolates from the carcass surface swabs of low- and high-risk pigs respectively. There was a positive association between seropositivity of pigs from high-risk herds and caecal carriage (p < 0.05). Results showed that herd categorisation based on serological results was useful in predicting Salmonella isolation rates from caecal samples and surface swabs of slaughtered pigs.

Abattoirs↗