Fig. 1From: Primary follicular dendritic cell sarcoma of the kidney – a case report of a rare tumor with emphasis on diagnostic pitfallsMacroscopic appearance of the renal follicular dendritic cell sarcoma. The tumor infiltrated the entire kidney, and an atrophic rim of the renal parenchyma was visible around the tumor (arrowheads). The tumor exhibited a hemorrhagic cut surface with focal solid areas in brown color (asterisk)Back to article page