Piotr Koltowski

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Wilms' tumor is the most common renal cancer in children. It can grow for a long time without any characteristic symptoms, causing only fever, abdominal pain, nausea, or vomiting, which is the reason why it is often discovered accidentally. In 1% to 4% of the cases, nephroblastoma leads to complications in the form of intravascular and intra-atrial(More)
A retrospective analysis of 809 biliary tract operations revealed postoperative wound infections in 13.4% of 278 patients with bactericholia, compared to 6.9% in patients without bactericholia. More than one third of isolated bacteria were resistant to ampicillin. This was the basis to conduct a prospective randomized single-blind study to compare the(More)
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