Factors Affecting Tissue Yield in EUS-FNA for Gastric Tumors
Author Information
Author(s): Suzuki Takuto, Arai Makoto, Matsumura Tomoaki, Arai Eiji, Hata Sachio, Maruoka Daisuke, Tanaka Takeshi, Nakamoto Shingo, Imazeki Fumio, Yokosuka Osamu
Primary Institution: Chiba University Hospital
Hypothesis
What factors contribute to inadequate tissue yield in EUS-FNA biopsies of gastric submucosal tumors?
Conclusion
Younger age and the location of the lesion in the lower third of the stomach are associated with inadequate tissue yield in EUS-FNA biopsies.
Supporting Evidence
- The diagnostic yield of EUS-FNA for gastric SMTs was found to be 74.5%.
- Patients under 60 years had a significantly lower diagnostic yield.
- Lesions located in the lower third of the stomach were more likely to yield inadequate tissue.
Takeaway
Doctors found that younger patients and those with tumors in the lower part of the stomach had a harder time getting enough tissue for testing during a special biopsy.
Methodology
The study involved 47 patients who underwent EUS-FNA for suspected gastric submucosal tumors, evaluating various factors retrospectively.
Potential Biases
Potential bias due to the study being retrospective and conducted at one hospital.
Limitations
The study was conducted at a single institution, which may limit the generalizability of the findings.
Participant Demographics
24 males and 23 females, mean age 60.4 years (range 39–81 years).
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CI = 1.761–80.48 for age; 95% CI = 1.290–87.42 for location.
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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