Adult Wilms tumour: an illustration of multimodality imaging characteristics

Description

A 39-year-old woman was noted to have hypertension and a palpable abdominal mass at a routine general practitioner appointment. Her medical history was unremarkable.

An ultrasound of the abdomen demonstrated a large mass arising from the left kidney with a smooth echotexture and patchy areas of signal heterogeneity (figure 1).

Figure 1

Ultrasound: there is a large mass arising from the left kidney measuring 22x13 cm. The renal mass demonstrated poor intrinsic vascularity on power Doppler assessment.

A CT scan showed an expansile hypoenhancing solid tumour arising from the mid-upper pole of the left kidney (figure 2).

Figure 2

Sagittal contrast enhanced CT: There is a large heterogeneous mass arising from the left kidney. The arrow points to normal renal parenchyma at the lower pole. The mid and upper poles of the left kidney are largely replaced...

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