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Pancreatic solid pseudopapillary neoplasm: a single-institution study.

Krishna Kotecha1, Advait Pandya2, Anthony J Gill2,3,4

  • 1Department of Upper Gastrointestinal Surgery, Royal North Shore Hospital, St Leonards, New South Wales, Australia.

ANZ Journal of Surgery
|August 24, 2021
PubMed
Summary
This summary is machine-generated.

Solid pseudopapillary neoplasms (SPNs) are rare pancreatic tumors, most common in young women. Surgical resection offers excellent long-term survival, with no recurrence observed in this study.

Keywords:
hepatopancreaticobiliary surgerypancreaspancreatic surgeryrare tumourssurgical oncology

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Area of Science:

  • Gastroenterology
  • Surgical Oncology
  • Pathology

Background:

  • Solid pseudopapillary neoplasms (SPNs) are rare, low-grade pancreatic tumors, comprising 0.3%-2.7% of pancreatic malignancies.
  • These neoplasms predominantly affect young females and are typically resectable with curative intent, despite rare reports of recurrence or metastasis.

Purpose of the Study:

  • To analyze the clinicopathological features and long-term outcomes of patients with SPNs following surgical resection.
  • To evaluate the efficacy of surgical management for SPNs in a single institution over a 30-year period.

Main Methods:

  • Retrospective review of 1296 patients who underwent pancreatic resection between 1991 and 2020.
  • Inclusion criteria: confirmed pathological diagnosis of pancreatic SPN.

Main Results:

  • Twenty-two SPN cases were identified (1.7% of resections), with 91% affecting females.
  • Most patients (91%) were symptomatic; CT revealed cystic components in 73%.
  • Despite incomplete capsules (41%) and pancreatic parenchyma extension (32%) in some cases, no disease recurrence was observed at 10 years post-surgery.

Conclusions:

  • SPNs predominantly affect female patients, and a significant proportion present with symptoms.
  • Margin-negative surgical resection is associated with excellent long-term survival for SPN patients, even with adverse pathological features.