Anales españoles de pediatría
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There are few reports of Streptococcus pneumoniae as a cause of septic arthritis. The aim of this study was to describe our experience with five documented cases of pneumococcal arthritis over 14 years. ⋯ In our experience, S. pneumoniae should be taken into account as a cause of septic arthritis that mainly affects children younger than 15 months. The hip was the most frequently involved joint. Joint fluid culture was the method providing the best diagnostic yield. A high proportion of strains are not susceptible to penicillin. Early diagnosis and management lead to a good prognosis.
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Wilms' tumor occurs in 5-10 % of all cases of nephroblastoma. The metachronous form represents 2-3 % of cases. Most (96.2 %) metachronous tumors appear within the first 5 years of the primary tumor. ⋯ The appearance of a metachronous Wilms' tumor 5 years after that of the primary tumor is rare. When a contralateral tumour develops, chemotherapy must be given until the size of the tumor is reduced in order to preserve renal function and avoid dialysis. In patients with chronic renal failure caused by bilateral nephrectomy, ongoing treatment with dialysis support can be achieved through the choice of effective drugs and knowledge of their pharmacokinetics and pharmacodynamics.