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Tumour-related imaging parameters predicting the percentage of preserved normal renal parenchyma following nephron sparing surgery: a retrospective study.

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Title: Tumour-related imaging parameters predicting the percentage of preserved normal renal parenchyma following nephron sparing surgery: a retrospective study.
Authors: Aertsen M (AUTHOR), De Keyzer F (AUTHOR), Van Poppel H (AUTHOR), Joniau S (AUTHOR), De Wever L (AUTHOR), Lerut E (AUTHOR), Oyen R (AUTHOR), Claus F (AUTHOR), Aertsen, Michael1 (AUTHOR), De Keyzer, Frederik (AUTHOR), Van Poppel, Hendrik (AUTHOR), Joniau, Steven (AUTHOR), De Wever, Liesbeth (AUTHOR), Lerut, Evelyne (AUTHOR), Oyen, Raymond (AUTHOR), Claus, Filip (AUTHOR)
Source: European Radiology. Jan2013, Vol. 23 Issue 1, p280-286. 7p.
Abstract: Objectives: To examine pre-operative imaging parameters that predict the residual amount of healthy renal parenchyma after nephron sparing surgery (NSS) for renal tumours, as this can help stratify patients towards the optimal surgical choice.Methods: Ninety-eight patients with the diagnosis of a solitary unilateral renal tumour and with pre- and post-operative imaging were included in this retrospective study. Imaging, patient and surgical parameters were acquired and their correlation to the percentage decrease of healthy renal parenchyma following surgery was statistically examined to find the most significant predictor of nephron sparing.Results: Loss of healthy renal parenchyma was highest in patients with renal sinus tumour involvement (P = 0.003) and anterior tumours (P = 0.006), but not significantly correlated with medial/lateral location (P = 0.940) or exophytic/endophytic tumour growth (P = 0.244). The correlation of tumour size with the percentage of parenchymal sparing did not quite reach statistical significance (P = 0.053), but involvement of the urinary collecting system (P = 0.008) was a very good predictor of complications. Loss of healthy renal parenchyma was higher in patients with high-grade surgical complications (P = 0.001).Conclusions: Several pre-operative parameters correlate to percentage nephron sparing after NSS. Anterior tumour location and renal sinus involvement proved to be the best predictors of loss of healthy renal parenchyma. [ABSTRACT FROM AUTHOR]
Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Tumour-related imaging parameters predicting the percentage of preserved normal renal parenchyma following nephron sparing surgery: a retrospective study.
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  Data: <searchLink fieldCode="AR" term="%22Aertsen+M%22">Aertsen M</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22De+Keyzer+F%22">De Keyzer F</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Van+Poppel+H%22">Van Poppel H</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Joniau+S%22">Joniau S</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22De+Wever+L%22">De Wever L</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lerut+E%22">Lerut E</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Oyen+R%22">Oyen R</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Claus+F%22">Claus F</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Aertsen%2C+Michael%22">Aertsen, Michael</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22De+Keyzer%2C+Frederik%22">De Keyzer, Frederik</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Van+Poppel%2C+Hendrik%22">Van Poppel, Hendrik</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Joniau%2C+Steven%22">Joniau, Steven</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22De+Wever%2C+Liesbeth%22">De Wever, Liesbeth</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lerut%2C+Evelyne%22">Lerut, Evelyne</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Oyen%2C+Raymond%22">Oyen, Raymond</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Claus%2C+Filip%22">Claus, Filip</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22European+Radiology%22">European Radiology</searchLink>. Jan2013, Vol. 23 Issue 1, p280-286. 7p.
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  Data: <bold>Objectives: </bold>To examine pre-operative imaging parameters that predict the residual amount of healthy renal parenchyma after nephron sparing surgery (NSS) for renal tumours, as this can help stratify patients towards the optimal surgical choice.<bold>Methods: </bold>Ninety-eight patients with the diagnosis of a solitary unilateral renal tumour and with pre- and post-operative imaging were included in this retrospective study. Imaging, patient and surgical parameters were acquired and their correlation to the percentage decrease of healthy renal parenchyma following surgery was statistically examined to find the most significant predictor of nephron sparing.<bold>Results: </bold>Loss of healthy renal parenchyma was highest in patients with renal sinus tumour involvement (P = 0.003) and anterior tumours (P = 0.006), but not significantly correlated with medial/lateral location (P = 0.940) or exophytic/endophytic tumour growth (P = 0.244). The correlation of tumour size with the percentage of parenchymal sparing did not quite reach statistical significance (P = 0.053), but involvement of the urinary collecting system (P = 0.008) was a very good predictor of complications. Loss of healthy renal parenchyma was higher in patients with high-grade surgical complications (P = 0.001).<bold>Conclusions: </bold>Several pre-operative parameters correlate to percentage nephron sparing after NSS. Anterior tumour location and renal sinus involvement proved to be the best predictors of loss of healthy renal parenchyma. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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