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Correlation between perineural invasion and clinicopathological characteristics in pancreatic cancer

  • 0Department of Hepatobiliary Surgery, Nantong First People's Hospital, Nantong 226001, Jiangsu Province, China.
World Journal of Gastrointestinal Oncology +

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September 22, 2025

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September 22, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

Perineural invasion (PNI) in pancreatic cancer (PC) correlates with larger tumors, higher CA19-9 levels, and poorer survival. These factors, along with location and differentiation, are key indicators of PNI and tumor progression.

Area Of Science

  • Oncology
  • Gastroenterology
  • Surgical Pathology

Background

  • Perineural invasion (PNI) is a frequent occurrence in pancreatic cancer (PC).
  • PNI is strongly linked to a worse patient prognosis.
  • Understanding PNI's clinical pathological correlates is crucial for PC management.

Purpose Of The Study

  • To examine the relationship between perineural invasion (PNI) and various clinical pathological features in pancreatic cancer (PC).
  • To identify independent risk factors associated with PNI in PC.
  • To develop a predictive model for PNI in PC.

Main Methods

  • Retrospective analysis of PC patients categorized by the presence or absence of PNI.
  • Comparison of clinical pathological features including tumor location, size, CA19-9 levels, survival, abdominal pain, pathological type, differentiation, and lymph node invasion.
  • Application of correlation and logistic regression analyses to identify risk factors and construct a predictive model.

Main Results

  • The PNI group exhibited larger tumors, higher CA19-9 levels, increased abdominal pain, and more lymph node invasion.
  • PNI was associated with tumors in the pancreatic head, pancreatic ductal adenocarcinoma, and higher differentiation.
  • Tumor location, size, CA19-9 level, abdominal pain, differentiation, and lymph node invasion were identified as independent risk factors for PNI.

Conclusions

  • Tumor location, size, CA19-9 level, abdominal pain, differentiation, and lymph node invasion are significant factors associated with PNI in PC.
  • These identified factors play a crucial role in PNI and the overall progression of pancreatic cancer.
  • The developed predictive model demonstrated good accuracy in predicting PNI occurrence.

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