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Ewing Sarcoma of the Kidney, a Rare Entity: Case Report
Alina Baral1, C B Pun2, Binita Goyal2
1Department of Pathology, Bharatpur Hospital, Chitwan, Bharatpur, Nepal.
Case Reports in Medicine
|August 4, 2025
Summary
Ewing sarcoma is a rare kidney tumor in adolescents. This case highlights its aggressive nature and the importance of considering it in young patients with kidney masses.
Area of Science:
- Oncology
- Pediatric Oncology
- Nephrology
Background:
- Ewing sarcoma is a bone-originating small round cell tumor primarily affecting children and adolescents.
- Ewing sarcoma of the kidney is exceptionally rare and characterized by aggressive progression and early metastasis.
Observation:
- A 16-year-old male presented with abdominal pain and a palpable mass.
- Diagnostic workup included nephrectomy, revealing a small round cell tumor.
Findings:
- Histopathological examination and immunohistochemistry confirmed the diagnosis of Ewing sarcoma of the kidney.
- The tumor exhibited aggressive characteristics typical of this rare entity.
Implications:
- This case underscores the necessity of including Ewing sarcoma in the differential diagnosis for kidney tumors in the pediatric and adolescent population.
- Early consideration and accurate diagnosis are crucial for appropriate management of this aggressive malignancy.
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