The functional lumen imaging probe (FLIP) provides objective measurement of esophageal distensibility, thus offering a unique and potentially valuable assessment in eosinophilic esophagitis (EoE). Menard-Katcher and colleagues report the first study evaluating use of FLIP in pediatric patients that demonstrated a reduction in esophageal distensibility in patients with EoE compared to patients without EoE. An increase in esophageal distensibility was observed with age among pediatric patients without EoE, but not among those with EoE. While this study further supports the promise of esophageal distensibility assessment in EoE, future work remains needed to optimize FLIP utilization in both research and clinical settings.
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