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Pathology · Haematology: gastric MALT lymphoma
Sample itemA 58-year-old man with dyspepsia has a gastric biopsy showing small lymphoid cells infiltrating and destroying glands, forming lymphoepithelial lesions. Helicobacter pylori is present. What is the most appropriate initial treatment for this localised lesion?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Eradication of Helicobacter pylori
Gastric marginal zone lymphoma of MALT type arises from chronic antigenic stimulation by H. pylori. Early disease often regresses after eradication therapy, and relapse is possible, so follow-up is required.
Option by option
A. CHOP chemotherapy
Combination chemotherapy is reserved for disease that does not respond or has transformed.
B. Eradication of Helicobacter pylori (correct)
Correct. Antibiotic and acid suppression to eradicate H. pylori can cause regression of localised disease.
C. Subtotal gastrectomy
Surgery is not first line for early disease that can respond to eradication.
D. Autologous stem cell transplantation
Stem cell transplantation is not indicated for localised low-grade MALT lymphoma.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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