Prognostic Impact of Tumor Size on Pancreatic Neuroendocrine Tumor Recurrence May Have Racial Variance

Rui Zheng-Pywell, Amanda Fang, Ahmad AlKashash, Seifeldin Awad, Sushanth Reddy, Selwyn Vickers, Martin Heslin, Vikas Dudeja, Herbert Chen, John Bart Rose

Research output: Contribution to journalArticlepeer-review

Abstract

OBJECTIVE: The incidence of pancreatic neuroendocrine tumors (PNETs) has increased over the last decade. Black patients have worse survival outcomes. This study investigates whether oncologic outcomes are racially disparate at a single institution. METHODS: Retrospective analysis was performed on 151 patients with resected PNETs between 2010 and 2019. RESULTS: More White males and Black females presented with PNETs (P = 0.02). White patients were older (65 years vs 60 years; P = 0.03), more likely to be married (P < 0.01), and had higher median estimated yearly incomes ($28,973 vs $17,767; P < 0.01) than Black patients. Overall and disease-free survival were not different. Black patients had larger median tumor sizes (30 mm vs 23 mm; P = 0.02). Tumor size was predictive of recurrence only for White patients (hazard ratio, 1.02; P = 0.01). Collectively, tumors greater than 20 mm in size were more likely to have recurrence (P = 0.048), but this cutoff was not predictive in either racial cohort independently. CONCLUSIONS: Black patients undergoing curative resection of PNETs at our institution presented with larger tumors, but that increased size is not predictive of disease-free survival in this population.

Original languageEnglish (US)
Pages (from-to)347-352
Number of pages6
JournalPancreas
Volume50
Issue number3
DOIs
StatePublished - Mar 1 2021

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Hepatology
  • Endocrinology

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