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Russell body gastritis.

J Qiao1, E Dudrey2, S Gilani1

  • 1Department of Pathology, Texas Tech University Health Science Center/Paul L Foster School of Medicine, El Paso, Texas, U.S.A.

Pathologica
|August 8, 2019
PubMed
Summary
This summary is machine-generated.

Russell body gastritis, a rare condition involving plasma cell accumulation in the stomach lining, presents with abdominal pain and bleeding. Diagnosis relies on identifying characteristic "Russell bodies" in gastric biopsies, differentiating it from malignancy.

Keywords:
Gastric biopsyGastritisPlasma cellsRussell body gastritis

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Area of Science:

  • Gastroenterology
  • Pathology
  • Immunology

Background:

  • Russell body gastritis is characterized by plasma cell accumulation in the gastric mucosa.
  • Plasma cells contain eosinophilic cytoplasmic inclusions known as
  • Russell bodies
  • , which are composed of immunoglobulins.

Observation:

  • A case of Russell body gastritis in a 28-year-old male presenting with abdominal pain and rectal bleeding is reported.
  • Endoscopic findings included erosions, edema, and vascular congestion in the gastric body and antrum.
  • Biopsies revealed chronic gastritis with significant plasma cell infiltration.

Findings:

  • Plasma cells within the gastric lamina propria contained characteristic Russell bodies.
  • Immunohistochemical staining confirmed Russell bodies positive for CD138, CD79a, Kappa, and lambda light chains.
  • Pancytokeratin staining was negative, ruling out signet ring cell carcinoma.

Implications:

  • Russell body gastritis is an uncommon but benign reactive condition.
  • Accurate diagnosis through biopsy and immunohistochemistry is crucial for appropriate patient management.
  • This case highlights the importance of recognizing Russell body gastritis to avoid misdiagnosis as malignancy.