Wilms tumor

Case contributed by Dr Hani Salam


Non-tender abdominal lump

Patient Data

Age: 4
Gender: Female

CT abdomen and pelvis

A very large heterogeneously enhancing soft-tissue density mass appear to arise from the left kidney, and results in hydronephrosis of the collecting system which is located posterior to the mass. The mass is well circumscribed without evidence of direct extension in adjacent organs / structures. No convincing nodal enlargement. 

Annotated image

Annotated images

See below. 

Nuclear medicine

Bone scan

Bone scan (bone phase) using 99mTc-methylene diphosphonate (MDP) demonstrates no abnormal uptake in the skeleton. 

Case Discussion

This patient went on to have a biopsy which confirmed the diagnosis of Wilms tumor. 

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Case information

rID: 9454
Published: 20th Apr 2010
Last edited: 13th Aug 2019
Tag: kidney
Inclusion in quiz mode: Included

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