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A meta-analysis: could we predict the malignancy of solid pseudopapillary neoplasm?

He Song1, Ming Dong1, Huimin Xiao2

  • 1Department of Gastrointestinal Surgery, The First Hospital of China Medical University Shenyang 110001, China.

International Journal of Clinical and Experimental Pathology
|January 23, 2020
PubMed
Summary

Malignant solid pseudopapillary neoplasms (SPNs) are often larger and occur in younger patients. Tumor size is a key factor in deciding on aggressive resection for SPN malignancy.

Keywords:
Solid pseudopapillary neoplasmmalignancypancreas

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Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Pathology

Background:

  • Solid pseudopapillary neoplasm (SPN) is a rare pancreatic tumor with unpredictable malignant potential.
  • Accurate assessment of SPN malignancy risk is crucial for appropriate patient management.

Purpose of the Study:

  • To identify and evaluate risk factors associated with the malignant transformation of SPNs.
  • To provide insights for clinical decision-making regarding aggressive surgical intervention.

Main Methods:

  • A comprehensive meta-analysis of 14 cohort studies was conducted.
  • Data were sourced from MEDLINE (PubMed), EMBASE, and Web of Science databases.
  • Statistical analysis was performed using Review Manager Software 5.2.

Main Results:

  • The meta-analysis included 763 patients diagnosed with SPN.
  • Age and tumor size were identified as significant factors correlated with malignancy.
  • Malignant SPNs were characterized by larger tumor diameters and younger patient age compared to benign SPNs.

Conclusions:

  • Tumor size is a critical predictor of SPN malignancy and may guide decisions for aggressive resection.
  • Younger age is also associated with a higher risk of malignant SPN.
  • These findings aid in stratifying SPN patients for risk-appropriate treatment strategies.