Case Report

A Rare Cause of Acute Kidney Injury: Primary Renal Lymphoma in a Patient with Human Immunodeficiency Virus

Figure 5

Immunohistochemical studies showed the malignant cells positive for CD20 (a), CD10, and BCL6. They are negative for CD3 (b) and MUM-1 (c), and Ki-67 (proliferative index) is 95% (d).
(a)
(b)
(c)
(d)