Diffuse Large B-cell Lymphoma
Section Editor: Dharam M. Ramnani, MD
Virginia Urology, Richmond, VA, USA
Image Description
Diffuse large B-cell lymphoma of kidney in a 65 y/o male. There is a pink-tan, fleshy tumor in the hilum as well as renal capsule. With immunohistochemistry, the tumor cells were found to be positive for CD20, CD22, and kappa light chains. They were negative for CD2, CD3, and CD5. Most renal lymphomas represent secondary involvement in the setting of disseminated disease.