This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Pathology
[{'content': 'Mucosa associated lymphoid tumour is associated with: \nSelect and explain. \nA. Candida albicans, B. H. pylori, C. E. coli, D. Cytomegalovirus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans: b (H. pylori)Ref: Harsh Mohan Textbook of Pathology 6thed. Pg. 378, Robbins, 8th e/Page 786H. pylori has been shown to be associated with MALToma in various studies Lymphoma (GIS)Extranodal lymphomas most commonly occur in GI tract especially stomach In BM/organ transplant patients bowel is also a frequent site.Primary gastric lymphoma constitute about 5% of all gastric malignancy.Most cases are associated with chronic H.pylori infection Eradication of H.pylori with antibiotics induces durable remission.Translocations of gastric MALToma-1( 11; 18), t( 1; 14), t( 14; 18) which activate NFkB - promote beta cell growth & survival In H.pylori related MALToma - Inflammation trigger NF kB activation through MLT/BCL10 pathwayM/E : Lymphoepithelial lesions Monocytoid changes Markers: CD 19 +ve CD 20 +ve CD 43 +ve CD 5-ve CD 10 - ve', 'role': 'assistant'}]