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Imaging of solid kidney tumours in children
C Hugosson1, R Nyman, B Jacobsson
1Department of Radiology, King Faisal Specialist Hospital, Riyadh, Saudi Arabia.
Acta Radiologica (Stockholm, Sweden : 1987)
|May 1, 1995
Summary
This study evaluated imaging for pediatric solid renal tumors. Contrast-enhanced CT and MR imaging accurately determined tumor size and origin, but struggled with staging. MR imaging may help differentiate Wilms' tumors from nephroblastomatosis.
Area of Science:
- Pediatric Radiology
- Oncology Imaging
- Renal Tumors
Background:
- Solid renal tumors are rare in children.
- Accurate diagnosis and staging are crucial for treatment planning.
- Various imaging modalities are used for evaluation.
Purpose of the Study:
- To compare the accuracy of ultrasound (US), CT, and MR imaging in evaluating pediatric solid renal tumors.
- To assess the utility of different imaging techniques in differentiating tumor types and stages.
Main Methods:
- Retrospective analysis of 18 children (6 months to 12 years) with 20 solid renal tumors.
- Evaluation using US, contrast-enhanced CT, and non-enhanced MR imaging.
- Comparison of imaging findings with histopathological diagnoses.
Main Results:
- Contrast-enhanced CT and MR imaging were equally accurate in determining tumor size and origin.
- US was only reliable for assessing tumor size.
- Imaging modalities were unreliable in differentiating between stages I, II, and III tumors.
- MR imaging characteristics showed some variation between Wilms' tumors (WT) and non-WTs.
- Contrast-enhanced MR imaging showed potential for differentiating WT from nephroblastomatosis.
Conclusions:
- Contrast-enhanced CT and MR imaging are valuable for assessing size and origin of pediatric renal tumors.
- Further research is needed to improve staging accuracy with imaging.
- Contrast-enhanced MR imaging may aid in distinguishing Wilms' tumors from nephroblastomatosis.