Masas renales pequeñas: predictores de malignidad en una serie de 10 años

Background: Small renal masses (SRM) are defined as complex organ-confined solid or cystic lesions < 4 cm. Up to 20% of these can be benign. A conservative management with active surveillance can be done in some patients. However, it is difficult to identify patients with a higher risk of malign...

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Autores principales:	Troncoso,Pablo, Rojas,Pablo A., Saavedra,Álvaro
Lenguaje:	Spanish / Castilian
Publicado:	Sociedad Médica de Santiago 2019
Materias:	Carcinoma, Renal Cell Nephrectomy Watchful Waiting
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872019000600703
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spelling	oai:scielo:S0034-988720190006007032019-08-28Masas renales pequeñas: predictores de malignidad en una serie de 10 añosTroncoso,PabloRojas,Pablo A.Saavedra,Álvaro Carcinoma, Renal Cell Nephrectomy Watchful Waiting Background: Small renal masses (SRM) are defined as complex organ-confined solid or cystic lesions < 4 cm. Up to 20% of these can be benign. A conservative management with active surveillance can be done in some patients. However, it is difficult to identify patients with a higher risk of malignancy. Aim: To characterize the clinical, radiological and histopathological aspects of patients with SRM, analyzing predictive factors for tumor aggressiveness. Material and Methods: Retrospective analysis of a cohort of patients undergoing partial or total nephrectomy for renal tumors between 2006 and 2016. All tumors of 4 cm or less were included. Four histological groups were defined: benign, favorable, intermediate and unfavorable. Two categories of risk were also defined: low and high. Preoperative clinical and radiological variables of these patients were analyzed. Results: Data of 152 patients were analyzed. Six percent had a benign histology, and the majority was of intermediate risk (74%). According to histological type, clear cell carcinoma was the most common type (74%). Three percent were benign angiomyolipomas. No malignancy predictive variable was identified. Conclusions: In these patients, the percentage of benign SRM was low. No variable that could predict the presence of a benign or malignant lesion in the definitive biopsy was identified.info:eu-repo/semantics/openAccessSociedad Médica de SantiagoRevista médica de Chile v.147 n.6 20192019-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872019000600703es10.4067/S0034-98872019000600703
institution	Scielo Chile
collection	Scielo Chile
language	Spanish / Castilian
topic	Carcinoma, Renal Cell Nephrectomy Watchful Waiting
spellingShingle	Carcinoma, Renal Cell Nephrectomy Watchful Waiting Troncoso,Pablo Rojas,Pablo A. Saavedra,Álvaro Masas renales pequeñas: predictores de malignidad en una serie de 10 años
description	Background: Small renal masses (SRM) are defined as complex organ-confined solid or cystic lesions < 4 cm. Up to 20% of these can be benign. A conservative management with active surveillance can be done in some patients. However, it is difficult to identify patients with a higher risk of malignancy. Aim: To characterize the clinical, radiological and histopathological aspects of patients with SRM, analyzing predictive factors for tumor aggressiveness. Material and Methods: Retrospective analysis of a cohort of patients undergoing partial or total nephrectomy for renal tumors between 2006 and 2016. All tumors of 4 cm or less were included. Four histological groups were defined: benign, favorable, intermediate and unfavorable. Two categories of risk were also defined: low and high. Preoperative clinical and radiological variables of these patients were analyzed. Results: Data of 152 patients were analyzed. Six percent had a benign histology, and the majority was of intermediate risk (74%). According to histological type, clear cell carcinoma was the most common type (74%). Three percent were benign angiomyolipomas. No malignancy predictive variable was identified. Conclusions: In these patients, the percentage of benign SRM was low. No variable that could predict the presence of a benign or malignant lesion in the definitive biopsy was identified.
author	Troncoso,Pablo Rojas,Pablo A. Saavedra,Álvaro
author_facet	Troncoso,Pablo Rojas,Pablo A. Saavedra,Álvaro
author_sort	Troncoso,Pablo
title	Masas renales pequeñas: predictores de malignidad en una serie de 10 años
title_short	Masas renales pequeñas: predictores de malignidad en una serie de 10 años
title_full	Masas renales pequeñas: predictores de malignidad en una serie de 10 años
title_fullStr	Masas renales pequeñas: predictores de malignidad en una serie de 10 años
title_full_unstemmed	Masas renales pequeñas: predictores de malignidad en una serie de 10 años
title_sort	masas renales pequeñas: predictores de malignidad en una serie de 10 años
publisher	Sociedad Médica de Santiago
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0034-98872019000600703
work_keys_str_mv	AT troncosopablo masasrenalespequenaspredictoresdemalignidadenunaseriede10anos AT rojaspabloa masasrenalespequenaspredictoresdemalignidadenunaseriede10anos AT saavedraalvaro masasrenalespequenaspredictoresdemalignidadenunaseriede10anos
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Masas renales pequeñas: predictores de malignidad en una serie de 10 años

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