Lymphoid Infiltration and Prognosis in Colorectal Carcinoma
Author Information
Author(s): J.L. Svennevig, O.C. Lunde, J. Holter, D. Bjqrgsvik
Primary Institution: Ullevaal University Hospital
Hypothesis
Can the reactive cellular infiltration in colorectal carcinomas predict survival?
Conclusion
The study shows that a higher number of mononuclear cells surrounding the tumor may influence survival in colorectal carcinoma patients.
Supporting Evidence
- The number of mononuclear cells in the peritumoural stroma was significantly higher in 5-year cancer-free survivors compared to those who died within 5 years.
- There was a positive correlation between the density of peri- and intra-tumoural cell reactions.
- Moderate to extensive necrosis was found in 55% of the tumors, but it did not influence prognosis.
Takeaway
This study found that having more immune cells around a tumor might help people live longer after surgery for colorectal cancer.
Methodology
The study analyzed 100 colorectal carcinoma cases, comparing tumors from patients who survived 5 years with those who did not, using histological examination of cell infiltration.
Limitations
The study does not distinguish between different types of mononuclear cells and has variability in inflammatory reactions among tumors.
Participant Demographics
50 patients alive and cancer-free at 5 years, 50 patients who died from cancer within 5 years, with a comparable gender distribution.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
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