A Rare Collision Tumor Composed of Follicular Lymphoma and Adenocarcinoma in the Ampulla of Vater: A Case Report
Figure 5
Representative histologic images of the follicular lymphoma. ((a)–(d)) The lesion reveals lymphoid follicular formations (a) with small-to-medium-sized centrocyte-like cells and a few centroblast-like cells (b). Small nodular lesions around the main tumor also consist of follicular lymphoma (c). Regional lymph nodes are partially involved by follicular lymphoma (d).
