High Cyclin E Staining Index in Nephroblastoma and Its Correlation with Tumor Aggressiveness
Author Information
Author(s): Berrebi Dominique, Leclerc Julie, Schleiermacher Gudrun, Zaccaria Isabelle, Boccon-Gibod Liliane, Fabre Monique, Jaubert Francis, El Ghoneimi Alaa, Jeanpierre Cécile, Peuchmaur Michel
Primary Institution: Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Robert Debré, Service d'Anatomie et de Cytologie Pathologiques, Paris, France
Hypothesis
Can cyclin E and Ki-67 staining indices predict the aggressiveness and metastasis of nephroblastoma?
Conclusion
A high cyclin E staining index in all components of nephroblastoma is correlated with tumor aggressiveness and metastases.
Supporting Evidence
- Median cyclin E and Ki-67 staining indices were significantly higher in patients with metastases.
- Univariate analysis showed prognostic significance for metastases with cyclin E staining in all cell types.
- Blastemal Ki-67 staining index was a significant indicator of metastases.
Takeaway
This study found that higher levels of a protein called cyclin E in kidney tumors can help doctors understand how aggressive the cancer is and if it might spread.
Methodology
Immunohistochemistry was used to assess cyclin E and Ki-67 staining indices in tumor samples from patients with nephroblastoma.
Potential Biases
Potential bias due to the retrospective nature of the study and selection of cases.
Limitations
The study is retrospective and may not account for all variables affecting outcomes.
Participant Demographics
The study included 54 tumors from 53 patients, with a median age of 32 months, consisting of 23 males and 30 females.
Statistical Information
P-Value
p=0.002 for cyclin E in blastemal cells
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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