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Ultrastructural Pathology Volume 15, 1991 - Issue 3
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Original Article

Prognostic Relevance of Silver-Stained Nucleolar Proteins in Sarcomatoid Carcinomas of the Breast

Vincenzo Eusebi Institute of Anatomic Pathology, University of Bologna, Italy
,
Maria G. Cattani Institute of Anatomic Pathology, University of Bologna, Italy
,
Janez Lamovec Institute of Oncology, Ljubljana, Yugoslavia
,
Davide Treré Department of Experimental Pathology, University of Bologna, Italy
,
Claudio Ceccarelli Institute of Anatomic Pathology, University of Bologna, Italy
,
Paolo Veronesi National Cancer Institute, Milan, Italy
,
Claudio Clemente National Cancer Institute, Milan, Italy
&
Massimo Derenzini Department of Experimental Pathology, University of Bologna, Italy
 show all
Pages 203-214 | Accepted 01 Nov 1990, Published online: 10 Jul 2009
 
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Abstract

Fourteen cases of sarcomatoid carcinomas of breast were evaluated by means of a silver technique that selectively stains proteins located in the nucleolar organizer regions (Ag-NORs). The mean area of Ag-NORs (MNORA) was in each case quantitatively analyzed by means of an automated image analyzer. Patients who died early of the disease had a higher MNORA than patients who survived longer than 3 years. The difference was statistically significant. Ag-NORs might be a novel parameter of prognostic relevance in specific cases.

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