New trends in emerging pathogens.

The emergence of pathogens is the result of a number of impact in all parts of the food chain. The emerging technologies in food production explain how new pathogens can establish themselves in the food chain and compromise food safety. The impact of the food technology is analysed for several bacteria, such as Yersinia, Campylobacter, Arcobacter, Helicobacter pullorum, Enterobacter sakazakii, Mycobacterium avium spp.

[Xanthogranulomatous pyelonephritis].

Xanthogranulomatous pyelonephritis is a rare disease probably caused by long-standing obstruction and secondary infection. We report a case in a 47-year-old woman with no previous history of renal stones. Preoperative diagnostic workout included ultrasonography, CT scan, and drainage.