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June 2018 — Gastrointestinal

A 13-year-old previously healthy female presented to her pediatrician with progressive dizziness, pallor, exercise intolerance, fatigue, and pica. Nine months later, she was diagnosed with microcytic anemia. As part of the workup, she underwent a stool hemoccult test, which was positive, necessitating an esophagogastroduodenoscopy (EGD) and colonoscopy to explore the etiology of the anemia. EGD and colonoscopy were grossly unremarkable. Gastric, small-bowel, and colon biopsies revealed slightly increased eosinophils in the gastric mucosa. Fourteen months later, repeat EGD demonstrated nodularity in the gastric body. A photomicrograph of the gastric body is shown.

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  Benjamin Van Treeck, M.D.
Resident, Anatomic and Clinical Pathology
Mayo Clinic
  Michael Torbenson, M.D.
Consultant, Anatomic Pathology
Mayo Clinic
Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine
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This post was developed by our Education and Technical Publications Team.