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Current treatment protocols for Wilms tumor achieve 90% cure rates, but relapse risk and side effects from therapy remain challenging. Over the last decade, numerous markers have been proposed for classification and/or prediction of outcome. However, cohort sizes were quite variable and often small. We now provide a large-scale reassessment by real-time(More)
BACKGROUND Childhood renal cell carcinomas (RCCs) differ histologically and biologically from their adult counterparts. The characteristics of RCC-affected children and their tumors, the influence of treatment, and outcome have so far not been studied in a nonselected, population-based cohort. METHODS A retrospective analysis was undertaken of RCC(More)
BACKGROUND Mesenchymal chondrosarcoma (MCS) is a rare tumor with a strong tendency toward late recurrences leading to reported 10-year survival rates below 50%. The recommended treatment is resection with wide margins; the effectiveness of chemo- and radiotherapy remain poorly defined. As reports about MCS in young patients are scarce, treatment and(More)
BACKGROUND During intensive chemotherapy, bloodstream infection (BSI) represents an important complication in paediatric cancer patients. Most patients carry a long-term central venous access device (CVAD). Improved maintenance care of these vascular catheters may decrease the risk of BSI. METHODS Intervention study (adapted CVAD prevention protocol) with(More)
PURPOSE To review event-free (EFS) and overall survival (OS) from publications describing outcome for children with relapsed Wilms' tumour. Comparisons are made between those receiving myeloablative high dose chemotherapy with autologous stem-cell rescue (HDT) and those not (NoHDT). MATERIALS AND METHODS Relevant information was extracted from individual(More)
PURPOSE Clear Cell Sarcoma of the Kidney (CCSK) is a rare childhood renal tumour. Only a few homogeneously treated CCSK cohorts have been reported. This study aims to describe clinical characteristics and survival of CCSK patients treated according to recent International Society of Pediatric Oncology (SIOP) protocols. PATIENTS AND METHODS We analysed the(More)
INTRODUCTION Treatment and stratification of progressive/relapsed unilateral nephroblastoma (PD) has significantly evolved over the last 20 years. Early PD (≤ 6 months), initial high risk histology, local stage III, multiple site PD and stage IV have been implemented as high risk classification factors and novel drugs have been introduced. PATIENTS AND(More)
Internal tandem duplication within the BCOR gene sequence that encodes the PUFD domain, important in the formation of the non-canonical or variant polycomb repressor complex 1 (v-PRC1), was very recently described in 100% of 20 clear cell sarcomas of kidney (CCSKs). None of those 20 cases bore the YWHAE-NUTM2 transcript, previously described by us in CCSK,(More)
BACKGROUND Surgery alone is the appropriate first-line treatment for patients with mesoblastic nephroma (MN). Nevertheless, there are reports of local recurrences and metastasis, especially in the cellular subtype. The authors evaluated the outcome of patients with MN who were enrolled in either the International Society of Pediatric Oncology (SIOP)(More)
PURPOSE The option of nephron sparing surgery for unilateral Wilms tumor has been debated in the recent literature. This procedure is being used increasingly to preserve kidney tissue and function. However, nephron sparing surgery is feasible only for selected cases, and a higher local relapse rate has been observed. Moreover, a significant reduction of(More)