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Bacterial Colonization in Resected Lymph Nodes During Pancreatic Surgery - A Pilot Study.
Digestive Surgery
|June 12, 2026
Summary
Bacterial colonization of peripancreatic lymph nodes is uncommon after pancreatic surgery, particularly in patients without prior ERCP. Further research is needed to understand its clinical impact.
Area of Science:
- Surgical Oncology
- Microbiology
- Gastroenterology
Background:
- Bacterial translocation is a concern in pancreatic surgery.
- Peripancreatic lymph nodes may harbor bacteria.
- Investigating lymph node colonization is crucial for understanding surgical outcomes.
Purpose of the Study:
- To investigate bacterial presence in peripancreatic lymph nodes.
- To identify factors associated with lymph node colonization.
- To assess the clinical significance of bacterial findings in lymph nodes.
Main Methods:
- Observational pilot study analyzing resected peripancreatic lymph nodes (station 8a).
- Bacterial DNA detection using 16S rDNA-PCR.
- Correlation of microbiological findings with clinical data.
Main Results:
- Bacterial colonization found in 8.1% of patients (3/37).
- No significant association with surgical type, pathology, or complications like POPF.
- All positive cases had prior ERCP, though not statistically significant (p=0.230).
Conclusions:
- Peripancreatic lymph node colonization is infrequent.
- ERCP history may be linked to colonization.
- Further studies are required to clarify clinical relevance and mechanisms.
