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Updated: May 9, 2026
03:19
Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition
Published on: June 21, 2024
PNET/Ewing's sarcoma of the kidney: imaging findings in two cases
P De Visschere1, A De Potter, F Claus
1Department of Radiology, Ghent University Hospital, Ghent, Belgium. Pieter.DeVisschere@uzgent.be
Summary
Computed tomography (CT) imaging reveals primary renal primitive neuroectodermal tumors (PNET)/Ewing's sarcoma often present as large, heterogeneous renal masses. This is crucial for diagnosing adolescents and young adults with similar presentations.
Area of Science:
- Radiology
- Oncology
- Pediatric Imaging
Background:
- Primitive neuroectodermal tumors (PNET)/Ewing's sarcoma are rare malignancies.
- Primary renal PNET/Ewing's sarcoma is exceptionally uncommon, posing diagnostic challenges.
Observation:
- This study retrospectively assessed CT imaging findings in two patients with primary renal PNET/Ewing's sarcoma.
- Key imaging characteristics included large renal masses with heterogeneous contrast enhancement.
Findings:
- Necrotic and hemorrhagic areas were predominant features within the renal masses.
- CT imaging demonstrated distinct patterns suggestive of PNET/Ewing's sarcoma in the renal location.
Implications:
- Radiologists and oncologists should consider primary renal PNET/Ewing's sarcoma in the differential diagnosis for young patients with large renal masses.
- Early recognition through characteristic CT findings can facilitate timely diagnosis and treatment planning.
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