Factors Affecting Survival After Surgery for Gastrointestinal Stromal Tumors
Author Information
Author(s): Chiappa Antonio, Zbar Andrew P, Innis Michael, Garriques Stuart, Bertani Emilio, Biffi Roberto, Pruneri Giancarlo, Luzzato Felipe, Vigna Paolo Della, Trovato Cristina, Andreoni Bruno
Primary Institution: European Institute of Oncology, University of Milan, Italy
Hypothesis
What factors affect survival after surgical resection of gastrointestinal stromal tumors?
Conclusion
Most gastrointestinal stromal tumors are resectable, and survival is mainly dependent on mitotic count and the completeness of resection.
Supporting Evidence
- 90% of patients underwent complete surgical resection.
- 5-year overall survival rate was 88% for all patients.
- 5-year disease-free survival rate was 75% for completely resected cases.
- High mitotic count (> 10 mitoses/50 HPF) was associated with worse prognosis.
- R0 resection was strongly associated with better overall survival.
Takeaway
Doctors studied 61 patients with stomach tumors to see what helps them live longer after surgery. They found that how fast the tumor grows and if it was completely removed are really important.
Methodology
The study analyzed 61 patients who underwent surgical resection, examining patient, tumor, and treatment variables to identify survival factors.
Potential Biases
Potential bias due to the retrospective nature of the study and the lack of a standardized follow-up protocol.
Limitations
The study had no strict follow-up protocol and relied on various follow-up methods, which may affect data consistency.
Participant Demographics
29 males and 32 females, median age 60 years (range: 23–86 years).
Statistical Information
P-Value
p < 0.0001
Confidence Interval
CI 1.295–117.781
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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