Synchronous colonic adenoma and intestinal marginal zone B-cell lymphoma associated with Crohn's disease: a case report and literature review.

Background: Lymphoma and dysplasia are rare complications of long-standing Crohn's disease. We report an exceptional case of a synchronous intestinal marginal zone B-cell lymphoma (MALT lymphoma) and colonic adenoma in a Crohn's disease patient.

Case Presentation: A 50-year-old male patient presented with right lower quadrant for the last 9 months.