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Radiological features in paediatric primary gastric MALT lymphoma and association with Helicobacter pylori

Sebuh Kurugoglu1, Ismail Mihmanli, Tiraje Celkan

  • 1Department of Radiology, University of Istanbul, Cerrahpasa Medical Faculty, 34300 Istanbul, Turkey, sebuh.k@superonline.com

Pediatric Radiology
|January 31, 2002
PubMed

Insights

Primary gastric lymphomas, often low-grade B-cell types linked to Helicobacter pylori, are rare in children. Radiologists should recognize these tumors on imaging for early diagnosis in pediatric patients.

Area of Science:

  • Pediatric Oncology
  • Gastroenterology
  • Hematology

Background:

  • Primary malignant stomach tumors are rare in children, with lymphomas and sarcomas being most common.
  • Most pediatric gastric lymphomas are high-grade, B-cell non-Hodgkin's lymphomas.
  • Low-grade B-cell lymphomas, derived from mucosa-associated lymphoid tissue (MALT), are also observed.

Observation:

  • Helicobacter pylori infection is a predisposing factor for MALT development in the stomach.
  • MALT in the stomach provides a pathogenic background for MALT-type lymphomagenesis.
  • Only eight pediatric cases of primary gastric lymphoma have been previously documented.

Findings:

  • Diagnosis and follow-up of gastric lymphoma primarily rely on endoscopy.
  • Radiological examinations for non-specific upper digestive symptoms may reveal gastric lymphoma.
  • Radiologists need awareness of this rare pediatric malignancy.

Implications:

  • Increased radiologist awareness can lead to earlier detection of rare pediatric gastric lymphomas.
  • Understanding the role of H. pylori in MALT lymphomagenesis is crucial for pediatric oncology.
  • Further research into the imaging characteristics of pediatric gastric lymphoma is warranted.

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