Case Report: Collagenous gastritis presenting with refractory dyspepsia and diffuse gastric atrophic-appearing changes - Poll - MDSpire

Clinical Case Study: Refractory Dyspepsia and Diffuse Gastric Atrophy in a Patient with Collagenous Gastritis

  • By

  • Yi-Ning Sun

  • Li Tang

  • Ying-Zhou Chen

  • Jin-Lin Yang

  • Zhu Wang

  • July 16, 2026

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