Figure 1From: Exophytic benign mixed epithelial stromal tumour of the kidney: case report of a rare tumour entityRetrograde ureterography demonstrated a sharply circumscribed tumour mass (black arrow) leading to obstruction of the proximal left ureter (a). Contrast enhanced CT-Scan showed a homogenous mass located adjacent to the lower hilus of the left kidney (white arrow) without significant contrast enhancement (b).Back to article page