Anastomosing Haemangioma of the Kidney Involving a Segmental Branch of the Renal Vein

Figure 2

(a) Macroscopic image of the tumour in the renal hilum with involvement of the branch of a segmental renal vein (arrowed). (b) 40x H&E showing the tumour with sieve-like pattern. (c) 20x H&E demonstrating the involvement of the tributary of a segmental renal vein (vessel wall arrowed). (d) 200x H&E showing round to oval vasoformative endothelial cells with hobnail appearance (arrowed).

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