gastritis cystica polyposa

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  • Names

    • gastritis cystica polyposa
    • gastritis cystica profunda
  • Clinical

    • site: near gastroenterostomy (Billroth) stoma
    • rare, occurs several years after Billroth surgery
  • Histology

    • foveolar hyperplasia
    • cysts lined with pyloric type glands
    • regenerative atypia
    • mucosal prolapse features: splayed muscle bundles and fibrosis in lamina propria and submucosa
  • Ddx