EGFR Staining and Survival in Oesophageal Cancer
Author Information
Author(s): Gibault L, Metges J-P, Conan-Charlet V, Lozac'h P, Robaszkiewicz M, Bessaguet C, Lagarde N, Volant A
Primary Institution: La Cavale Blanche Hospital
Hypothesis
The study aimed to assess the expression of various growth factor receptors and their relationship to prognosis in oesophageal squamous cell carcinoma.
Conclusion
Diffuse EGFR positivity is associated with lower overall survival and higher local recurrence in patients with locally advanced oesophageal squamous cell cancer.
Supporting Evidence
- Epidermal growth factor receptor overexpression was significantly related to vascular invasion.
- Patients with diffuse EGFR expression had significantly reduced survival.
- VEGF expression was related to tumour differentiation.
Takeaway
This study found that patients with a certain type of cancer had worse survival if their cancer cells showed a specific pattern of a protein called EGFR.
Methodology
Immunohistochemical expression of growth factor receptors was assessed in surgical specimens from 107 patients with oesophageal squamous cell carcinoma.
Potential Biases
Potential biases may arise from the retrospective nature of the study and the selection criteria for included patients.
Limitations
The study was retrospective and excluded patients with certain conditions, which may limit the generalizability of the findings.
Participant Demographics
The study included 94 men and 13 women, aged 42 to 79 years, with a predominance of poorly differentiated tumours.
Statistical Information
P-Value
P=0.003
Confidence Interval
[18–56]
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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