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The Predictive Value of Immunohistochemical Markers in Untreated Wilms' Tumour: Are They Useful?

Overview
Journal World J Urol
Specialty Urology
Date 2011 May 20
PMID 21594709
Citations 4
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Abstract

Purpose: This study reevaluates the potential role of different tumour markers as prognostic indicators in untreated nephroblastoma.

Methods: Expression of a broad panel of tumour markers was investigated by means of immunohistochemical analysis in 43 WT patients. Patients were treated by radical nephrectomy and had a mean follow-up of 11.9 years.

Results: Generally, all the tumour markers studied were expressed in normal kidney tissue and at variable levels in the three cell types of WT (blastema, epithelium and stroma). Immunoreactive blastemal (Bcl-X, Bcl-2 and CD44s) and epithelial (Bcl-X, Bcl-2 and MIB-1) cells were present in the majority of tumours. No correlation was found between their expression and pathological stages. Univariate analysis showed that blastemal WT-1, TGF-α, VEGF, MIB-1 and p27 Kip1 were indicative for clinical progression. In a multivariate analysis, WT-1 protein expression by blastemal cells was an independent prognostic marker for clinical progression.

Conclusions: The blastemal WT-1, TGF-α, VEGF, MIB-1 and p27Kip1 expression correlate with clinical progression in untreated nephroblastoma. Therefore, their expression may be of value in identifying patients with a high propensity to develop distant metastases.

Citing Articles

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Laparoscopic radical surgery produces a good prognosis in an elderly patient with small Wilms' tumor.

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Immunohistochemical analysis of cyclin A expression in Wilms tumor.

Radojevic-Skodric S, Brasanac D, duricic S, Glumac S, Loncar Z, Pavlovic I PeerJ. 2019; 6:e6212.

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Angiogenin expression in human kidneys and Wilms' tumours: relationship with hypoxia and angiogenic factors.

Ramani P, Headford A, Sowa-Avugrah E, Hunt L Int J Exp Pathol. 2013; 94(2):115-25.

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