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[Adult Wilms' tumor: a case report]
Hinyokika Kiyo. Acta Urologica Japonica
|August 10, 2000
Summary
This case report details an adult Wilms' tumor, a rare kidney cancer. Radiologically, adult Wilms' tumors often appear as low-density, hypovascular masses, aiding in differential diagnosis.
Area of Science:
- Nephrology
- Oncology
- Radiology
Background:
- Adult Wilms' tumor is an exceptionally rare malignancy, often presenting diagnostic challenges.
- This study reviews clinical and radiological features of adult Wilms' tumor, including a case report.
Observation:
- A 22-year-old female presented with gross hematuria and backache, found to have a right renal mass.
- Imaging revealed a non-enhancing, hypovascular mass suggestive of a renal malignancy.
Findings:
- Pathological examination confirmed epithelial-type adult Wilms' tumor.
- Retrospective analysis of 16 cases (1981-1998) showed a younger average age than renal cell carcinoma.
- Advanced clinical stage at presentation was common (nearly 50%).
- Radiological findings included low density on precontrast CT (75%) and hypovascularity on angiography (84.6%).
Implications:
- These radiological characteristics, while not definitive, can aid in differentiating adult Wilms' tumor from renal cell carcinoma.
- Early recognition and diagnosis are crucial for improved patient outcomes in this rare cancer.