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Renal neuroectodermal tumour presenting with hematuria.
Rafel Tappouni1, Reem El-Kady, Jay Raman
1Department of Radiology, Penn State Milton Hershey Medical Center, Hershey, PA, USA.
Journal of Radiology Case Reports
|April 4, 2012
Summary
Peripheral primary neuroectodermal tumors (PNET) are rare aggressive renal tumors. Differentiating renal PNET from renal cell carcinoma on imaging is challenging, requiring interventions like arterial embolization and nephrectomy.
Area of Science:
- Oncology
- Radiology
- Nephrology
Background:
- Peripheral primary neuroectodermal tumors (PNET) represent 1% of sarcomas.
- Renal PNET is an exceptionally rare and aggressive malignancy.
- These tumors exhibit a high propensity for local recurrence and early metastasis.
Purpose of the Study:
- To highlight the diagnostic challenges of renal PNET.
- To present a case of renal PNET mimicking renal cell carcinoma.
- To discuss the management of this rare entity.
Main Methods:
- Case report of a 51-year-old female with a large renal mass.
- Review of radiological imaging features.
- Description of interventional procedures including arterial embolization and nephrectomy.
Main Results:
- The renal PNET presented as a large, heterogeneous mass with central necrosis.
- Radiological diagnosis was difficult, initially mimicking renal cell carcinoma.
- The patient underwent successful arterial embolization and nephrectomy.
Conclusions:
- Renal PNET is a rare tumor that poses diagnostic difficulties.
- Aggressive management including embolization and nephrectomy may be required.
- Increased awareness of PNET imaging characteristics is crucial for early diagnosis.
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