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Updated: May 29, 2026

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Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
Published on: April 12, 2019
Ewing's sarcoma of zygoma
Sa Deshingkar1, Sr Barpande, Jv Tupkari
1Department of Oral Pathology and Microbiology, Government Dental College and Hospital, Aurangabad - 431 001, Maharashtra, India.
Journal of Oral and Maxillofacial Pathology : JOMFP
|September 3, 2011
Summary
Ewing's sarcoma, a rare pediatric bone cancer, can occur in the facial bones. This report details a unique case of Ewing's sarcoma originating in the zygoma, emphasizing diagnostic methods.
Area of Science:
- Oncology
- Pediatric Oncology
- Skeletal Oncology
Background:
- Ewing's sarcoma is a malignant small round cell neoplasm predominantly affecting long bones and the pelvis in children.
- Primary tumors in the facial region are rare, accounting for approximately 2% of cases, with the mandible being the most common site.
- Primary zygoma involvement is exceptionally rare, with only three previous cases documented in the literature.
Observation:
- This report presents a rare case of Ewing's sarcoma originating in the zygoma of a 15-year-old female patient.
- The tumor's location in the zygomatic bone represents a highly unusual presentation of this pediatric malignancy.
Findings:
- The case highlights the importance of considering Ewing's sarcoma in the differential diagnosis of pediatric facial bone tumors.
- Immunohistochemical analysis is crucial for differentiating Ewing's sarcoma from other small round cell tumors due to its neuroectodermal origin.
Implications:
- This case expands the understanding of the anatomical distribution of Ewing's sarcoma.
- Accurate diagnosis through immunohistochemistry is vital for appropriate treatment planning and improved patient outcomes in rare presentations of Ewing's sarcoma.
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