<prompt> What is the cell of origin of primary lymphoma of the GI tract associated with celiac disease?B-cellT-cellHistiocyteDendritic cell  <response>: Lymphomas are progressive neoplastic condition of lymphoreticular system arising from stem cells. Lymphomas are the 3rd most common malignancy among children comprising 15 of paediatric cancers. Primary lymphoma of the GI tract associated with Celiac sprue--intestinal T cell lymphoma. Reference : page 253 SRBs manual of surgery 5th edition 