PMC5347375_01
CT scan - coronal view. Large mass lesion (arrow) within right kidney measuring up to 7.4 x 7.5 x 9.2 cm.
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F1
Further investigation with computed tomography (CT) scan of the abdomen with intravenous contrast revealed enlarged right kidney with subcapsular haematoma and a mass lesion within the right lower pole measuring up to 7.4 x 7.5 x 9.2 cm with associated paracaval lymphadenopathy producing compression of the right renal vein and inferior vena cava (Figures 1 and 2).
CT scan - coronal view showing right kidney mass with subcapsular haematoma (arrows).
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F2
Further investigation with computed tomography (CT) scan of the abdomen with intravenous contrast revealed enlarged right kidney with subcapsular haematoma and a mass lesion within the right lower pole measuring up to 7.4 x 7.5 x 9.2 cm with associated paracaval lymphadenopathy producing compression of the right renal vein and inferior vena cava (Figures 1 and 2).
Right kidney specimen - cream and pink colour tumour with mixture of solid and cystic components with haematoma in the lumen of the cyst and possible necrosis.
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F3
On gross inspection, the tumour was cream and pink in colour with mixture of solid and cystic components (Figure 3).
Microscopic features of adult Wilms' tumour showing blastemal elements.
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F4
The blastemal elements were present in nodular fashion and had syncytial pattern with no diffuse infiltrative component (Figure 4).
Microscopic features of adult Wilms' tumour showing stromal elements and focal anaplastic elements.
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F5
The anaplastic elements were focally present in stromal elements (nuclear sized 3x tumour cells and tripolar mitosis; Figure 5).