66-year-old man was admitted to the hospital for an unrelated condition. Ultrasonography and computer tomography revealed horseshoe kidney with 14 × 6 cm well-circumscribed heterogeneous mass with infiltration of the left renal vein. No lymphadenopathy or distant deposits were seen. Resected horseshoe kidney (17 × 8 × 4,5 cm in size) contained large, solid, yellowish mass located in lower left part and in the center. The kidney weighted 660 g, tumor measured 8 × 6 × 4 cm. Grossly infiltration of left renal pelvis, left renal vein and through renal capsule into surrounding perinephric fat was seen. The histological picture of the tumor is shown on figures 1 and 2.


Pełna treść artykułu...