Figure 7From: Küttner's tumor of the sub-mandibular gland associated with fibrosclerosis and follicular hyperplasia of regional lymph nodes: a case report Photograph of bcl-2 staining of the excised sub-mandibular gland. Photograph of Bcl-2 staining of the excised lymph node, with the same field of view as in Figure 6. High-power magnification showing reactive germinal centers of the lymphoid follicles negative for Bcl-2 (*), but nodular lesions lacking definitive germinal centers and mantle zones positive for Bcl-2 (**) (original magnification ×40).Back to article page